| Top Inventors for class "Motors: expansible chamber type" |
| Rank | Inventor's name | Country | City/State | Last publication | # of patent apps in this class |
|---|
| 1 | Takashi Mori | JP | Kobe-Shi | May 19, 2011 / 20110113954 - Swash Plate Type Liquid-Pressure Rotating Device | 3 |
| 2 | Takumi Matsumoto | JP | Tsukubamirai-Shi | Jan 08, 2009 / 20090007771 - AIR CYLINDER APPARATUS | 3 |
| 3 | Thomas Kleegrewe | DE | Minden | Jul 19, 2012 / 20120181463 - SHUT-OFF VALVE | 3 |
| 4 | Ki-Beom Kim | KR | Anseong-Si | Jun 09, 2011 / 20110135503 - COMPRESSOR | 3 |
| 5 | Geon-Ho Lee | KR | Seongnam-Si | Jun 09, 2011 / 20110135503 - COMPRESSOR | 3 |
| 6 | Clemens Krebs | DE | Tuebingen | Nov 17, 2011 / 20110277624 - Adjustment Device of a Hydrostatic Machine | 3 |
| 7 | Uwe Bernhard Pascal Stein | GB | Edinburgh | Dec 13, 2012 / 20120312158 - RING CAM AND FLUID-WORKING MACHINE INCLUDING RING CAM | 3 |
| 8 | William Hugh Salvin Rampen | GB | Edinburgh | Dec 13, 2012 / 20120312158 - RING CAM AND FLUID-WORKING MACHINE INCLUDING RING CAM | 3 |
| 9 | Gilles Lemaire | FR | Margny Les Compiegne | Feb 16, 2012 / 20120036994 - HYDRAULIC TRANSMISSION CIRCUIT | 3 |
| 10 | Gilles Beaulieu | CA | Trois-Rivieres | Dec 13, 2012 / 20120313302 - PISTON ROD AND CYLINDER SEAL DEVICE FOR ALUMINUM BATH CRUST BREAKER | 2 |
| 11 | Ryosuke Cho | JP | Minato-Ku | Aug 09, 2012 / 20120198993 - CAPACITY CONTROL VALVE | 2 |
| 12 | Juergen Gintner | DE | Elchingen | Sep 09, 2010 / 20100224058 - Regulating Device for a Hydrostatic Piston Engine With Electronic Control Unit | 2 |
| 13 | Horst Krämer | DE | Ginsheim-Gustavsburg | Nov 18, 2010 / 20100288119 - BRAKE SERVO | 2 |
| 14 | Ralf Jakobi | DE | Florsheim | Nov 18, 2010 / 20100288119 - BRAKE SERVO | 2 |
| 15 | Stefan Schlüter | DE | Kammerforst | Oct 13, 2011 / 20110247324 - VACUUM-ASSISTED BRAKE-FORCE BOOSTER AND METHOD FOR ADJUSTMENT THEREOF | 2 |
| 16 | Raynald Sprocq | FR | Esbly | Jul 05, 2012 / 20120167565 - BRAKE SYSTEM WITH ELECTRIC SERVO BRAKES | 2 |
| 17 | Soenke Jessen | DE | Tamm | Nov 15, 2012 / 20120285318 - Lifting Mechanism | 2 |
| 18 | Jiro Mandokoro | JP | Moriya-Shi | Oct 13, 2011 / 20110247487 - LINEAR ACTUATOR | 2 |
| 19 | Stephen C. Jacobsen | US | Salt Lake City, UT | Feb 21, 2013 / 20130042921 - Quantum Fluid Transfer System | 2 |
| 20 | Hans-Peter Lavergne | DE | Trunkelsberg | Nov 29, 2012 / 20120301256 - Working Device | 2 |
| 21 | Kazuhiro Noguchi | JP | Tsukubamirai-Shi | Oct 14, 2010 / 20100258210 - SPOOL-TYPE SELECTOR VALVE | 2 |
| 22 | Koji Hara | JP | Tsukubamirai-Shi | Oct 13, 2011 / 20110247487 - LINEAR ACTUATOR | 2 |
| 23 | Peter Schlüter | DE | Kammerforst | Oct 28, 2010 / 20100269684 - Vacuum Brake Booster for a Motor Vehicle Brake System | 2 |
| 24 | Andreas Stelter | DE | Minden | Jul 15, 2010 / 20100179697 - METHOD FOR POSITION-DEPENDENT ELECTRONIC WEAR STATE DETERMINATION OF A VALVE MECHANISM, AND A PNEUMATIC VALVE | 2 |
| 25 | Toshio Sato | JP | Tsukuba-Shi | Oct 18, 2012 / 20120260797 - LINEAR ACTUATOR | 2 |
| 26 | Motohiro Sato | JP | Toride-Shi | Oct 18, 2012 / 20120260797 - LINEAR ACTUATOR | 2 |
| 27 | Niall James Caldwell | GB | Edinburgh | Jun 07, 2012 / 20120141303 - FLUID CONTROL SYSTEM | 2 |
| 28 | Peter Schlüter | DE | Kammerforst | Oct 13, 2011 / 20110247324 - VACUUM-ASSISTED BRAKE-FORCE BOOSTER AND METHOD FOR ADJUSTMENT THEREOF | 2 |
| 29 | Nobuyuki Kobayashi | JP | Tochigi | May 17, 2012 / 20120119566 - ELECTRIC BRAKE ACTUATOR AND VEHICLE BRAKE SYSTEM | 2 |
| 30 | Prashant K. Rajput | IN | Maharashtra | May 10, 2012 / 20120111185 - Compact Eccentric Radial Piston Hydraulic Machine | 2 |
| 31 | Marc Olivier | US | Sandy, UT | Aug 20, 2009 / 20090210093 - Contact displacement actuator system | 2 |
| 32 | Satoru Watanabe | JP | Saitama-Ken | Mar 25, 2010 / 20100071542 - NEGATIVE PRESSURE BOOSTER AND BRAKE BOOSTER USING THE SAME | 2 |
| 33 | Timo Nafz | DE | Horb | Nov 17, 2011 / 20110277624 - Adjustment Device of a Hydrostatic Machine | 2 |
| 34 | Alexander Schlüter | DE | Kammerforst | Oct 28, 2010 / 20100269684 - Vacuum Brake Booster for a Motor Vehicle Brake System | 2 |
| 35 | Georg Jacobs | DE | Ulm | Feb 05, 2009 / 20090031892 - Hydrostatic piston machine according to the floating cup concept | 2 |
| 36 | Kohei Fukudome | JP | Minato-Ku | Aug 09, 2012 / 20120198993 - CAPACITY CONTROL VALVE | 2 |
| 37 | Jürgen Faller | DE | Kahl | Aug 13, 2009 / 20090199704 - Pneumatic Brake Servo | 2 |
| 38 | Stefan Schlüter | DE | Kammerforst | Oct 28, 2010 / 20100269684 - Vacuum Brake Booster for a Motor Vehicle Brake System | 2 |
| 39 | Marcus Herrmann | DE | Elchingen | Feb 05, 2009 / 20090031892 - Hydrostatic piston machine according to the floating cup concept | 2 |
| 40 | Frank Schlüter | DE | Boppard | Oct 13, 2011 / 20110247324 - VACUUM-ASSISTED BRAKE-FORCE BOOSTER AND METHOD FOR ADJUSTMENT THEREOF | 2 |
| 41 | Grit Geissler | DE | Dresden | Sep 09, 2010 / 20100224058 - Regulating Device for a Hydrostatic Piston Engine With Electronic Control Unit | 2 |
| 42 | Alexander Schlüter | DE | Kammerforst | Oct 13, 2011 / 20110247324 - VACUUM-ASSISTED BRAKE-FORCE BOOSTER AND METHOD FOR ADJUSTMENT THEREOF | 2 |
| 43 | Tae-Jin Lee | KR | Incheon | Nov 11, 2010 / 20100282071 - VARIABLE DISPLACEMENT SWASH PLATE TYPE COMPRESSOR | 2 |
| 44 | Frank Schlüter | DE | Boppard | Oct 28, 2010 / 20100269684 - Vacuum Brake Booster for a Motor Vehicle Brake System | 2 |
| 45 | Hiroyuki Makishima | JP | Tochigi | Feb 24, 2011 / 20110041682 - VARIABLE CAPACITY COMPRESSOR | 2 |
| 46 | Chris Anderson | FR | Paris | Jul 05, 2012 / 20120167565 - BRAKE SYSTEM WITH ELECTRIC SERVO BRAKES | 2 |
| 47 | Irina Gerdt | DE | Kammerforst | Oct 13, 2011 / 20110247324 - VACUUM-ASSISTED BRAKE-FORCE BOOSTER AND METHOD FOR ADJUSTMENT THEREOF | 2 |
| 48 | Monika Marianne Ivantysynova | US | Lafayette, IN | Sep 20, 2012 / 20120233991 - MULTI-FUNCTION MACHINES, HYDRAULIC SYSTEMS THEREFOR, AND METHODS FOR THEIR OPERATION | 2 |
| 49 | Vittorio Pecorari | IT | Modena | Dec 10, 2009 / 20090301291 - Hydraulic Motor Having Radial Cylinders Capable of High Speed Rotation | 2 |
| 50 | Volker Ickler | DE | Kirchheim | Jul 21, 2011 / 20110174151 - PNEUMATIC BRAKE BOOSTER | 2 |
| 51 | Stephen E. Crane | US | Santa Rosa, CA | Feb 07, 2013 / 20130032743 - VALVE | 2 |
| 52 | Danielle A. Fong | US | Berkeley, CA | Oct 25, 2012 / 20120269651 - COMPRESSED AIR ENERGY STORAGE SYSTEM UTILIZING TWO-PHASE FLOW TO FACILITATE HEAT EXCHANGE | 2 |
| 53 | Wolfgang Scholz | DE | Minden | Jul 19, 2012 / 20120181463 - SHUT-OFF VALVE | 2 |
| 54 | Philipp Egenrieder | DE | Ulm | Nov 29, 2012 / 20120297762 - IMPLEMENT | 2 |
| 55 | John Michael Morris | US | Auburn, WA | Mar 28, 2013 / 20130075641 - VALVE WITH CANTED SEALS | 2 |
| 56 | Matthieu Desbois-Renaudin | FR | Villard De Lans | May 16, 2013 / 20130122341 - BATTERY OF ACCUMULATORS OF EASY DESIGN AND ASSEMBLY | 2 |
| 57 | Bruno Berthomieu | ES | Barcelone | May 21, 2009 / 20090126560 - BRAKE BOOST SENSOR FEELER | 2 |
| 58 | Matthieu Darbois | FR | Bordeaux | Nov 11, 2010 / 20100282072 - HYDRAULIC MACHINE, IN PARTICULAR HYDRAULIC MOTOR, WITH A RECIPROCATING MOVEMENT | 2 |
| 59 | Dwight B. Stephenson | US | Oconomowoc, WI | May 10, 2012 / 20120111185 - Compact Eccentric Radial Piston Hydraulic Machine | 2 |
| 60 | Detlef Pape | CH | Nussbaumen | Jan 24, 2013 / 20130022075 - TEMPERATURE SENSOR HAVING MEANS FOR IN-SITU CALIBRATION | 2 |
| 61 | Dominique Berton | FR | Le Bouscat | Nov 11, 2010 / 20100282072 - HYDRAULIC MACHINE, IN PARTICULAR HYDRAULIC MOTOR, WITH A RECIPROCATING MOVEMENT | 2 |
| 62 | Edwin P. Berlin, Jr. | US | Oakland, CA | Feb 07, 2013 / 20130032743 - VALVE | 2 |
| 63 | Koichiro Ishibashi | JP | Tsukubamirai-Shi | Oct 18, 2012 / 20120260797 - LINEAR ACTUATOR | 2 |
| 64 | Kevin C. Williams | US | Wixom, MI | Dec 13, 2012 / 20120312155 - PISTON ROD AND CYLINDER SEAL DEVICE FOR ALUMINUM BATH CRUST BREAKER | 2 |
| 65 | Bryan E. Nelson | US | Lacon, IL | Apr 04, 2013 / 20130081382 - REGENERATION CONFIGURATION FOR CLOSED-LOOP HYDRAULIC SYSTEMS | 2 |
| 66 | Stefan Engelke | DE | Haste | Apr 19, 2012 / 20120092002 - SENSOR ARRANGEMENT FOR DETERMINING THE CURRENT ROTATION ANGLE POSITION OF A SHAFT | 2 |
| 67 | Christopher L. Strong | US | Frederick, CO | Oct 16, 2008 / 20080253906 - Magnetically sequenced pneumatic motor | 2 |
| 68 | Davide Pecorari | IT | Modena | Dec 10, 2009 / 20090301291 - Hydraulic Motor Having Radial Cylinders Capable of High Speed Rotation | 2 |
| 69 | Seiji Takanashi | JP | Noda-Shi | Oct 13, 2011 / 20110247487 - LINEAR ACTUATOR | 2 |
| 70 | Stefan Kolbenschlag | DE | Darmstadt | Jun 21, 2012 / 20120153633 - ELECTROPNEUMATIC FIELD DEVICE | 2 |
| 71 | Dietrich Wohld | DE | Rauschenberg | Nov 25, 2010 / 20100294125 - CONTROL DEVICE FOR THE POSITION CONTROL OF A HYDRAULIC CYLINDER UNIT COMPRISING A LINEARIZATION UNIT | 2 |
| 72 | Wilfried Tautz | DE | Forchheim | Nov 25, 2010 / 20100294125 - CONTROL DEVICE FOR THE POSITION CONTROL OF A HYDRAULIC CYLINDER UNIT COMPRISING A LINEARIZATION UNIT | 2 |
| 73 | Masayuki Futakuchi | JP | Minato-Ku | Aug 09, 2012 / 20120198993 - CAPACITY CONTROL VALVE | 2 |
| 74 | Jean-Pierre Souply | FR | Senlis | Feb 16, 2012 / 20120036994 - HYDRAULIC TRANSMISSION CIRCUIT | 2 |
| 75 | Yasuo Ohmi | JP | Kobe-Shi | May 06, 2010 / 20100107865 - SWASH PLATE TYPE PISTON PUMP MOTOR AND METHOD FOR MANUFACTURING THE SAME | 2 |
| 76 | Hideki Tamashima | JP | Himeji-Shi | May 19, 2011 / 20110113954 - Swash Plate Type Liquid-Pressure Rotating Device | 1 |
| 77 | Stefanos Ntoukolianos | GR | Thessaloniki | Apr 04, 2013 / 20130081535 - PISTON-CHAMBER HYDRO-GRAVITY ENGINE | 1 |
| 78 | William Edward Frank | US | Peoria, IL | Nov 05, 2009 / 20090272256 - Axial piston device having rotary displacement control | 1 |
| 79 | Troy O. Mcbride | US | Norwich, VT | Nov 29, 2012 / 20120299310 - SYSTEMS AND METHODS FOR ENERGY STORAGE AND RECOVERY USING RAPID ISOTHERMAL GAS EXPANSION AND COMPRESSION | 1 |
| 80 | Horst Krämer | DE | Ginsheim-Gustavsburg | May 17, 2012 / 20120117961 - BRAKE ACTUATOR UNIT FOR ACTUATING A MOTOR VEHICLE BRAKING SYSTEM OF THE "BRAKE-BY-WIRE" TYPE | 1 |
| 81 | Joshua D. Graeve | US | Peosta, IA | Dec 27, 2012 / 20120324874 - INDEPENDENT SUPPLY AND EXHAUST METERING WITHIN A VALVE CASTING | 1 |
| 82 | Robert Lloyd | US | Menlo Park, CA | Apr 23, 2009 / 20090101001 - HIGH EFFICIENCY HYDRO-MECHANICAL TRANSMISSION | 1 |
| 83 | Josef Beck | DE | Villingen-Schwenningen | Apr 28, 2011 / 20110094375 - Axial piston machine, recoil plate and method of manufacturing a recoil plate | 1 |
| 84 | Frank H. Walker | US | Grand Blanc, MI | Apr 29, 2010 / 20100101406 - HYDRAULIC MACHINE ARRANGEMENT | 1 |
| 85 | Steffen Lindoerfer | DE | Schrozberg | Jan 05, 2012 / 20120000353 - PILOT-OPERATED DIRECTIONAL CONTROL VALVE, PARTICULARLY FOR CONTROLLING AN ACTUATING CYLINDER OF A TURBO-MACHINE | 1 |
| 86 | Joerg Kiesbauer | DE | Eppertshausen | Feb 14, 2013 / 20130037121 - DECOUPLING OF CONTROLLED VARIABLES IN A FLUID CONVEYING SYSTEM WITH DEAD TIME | 1 |
| 87 | Ja-Moon Ku | KR | Cheongwon | Dec 17, 2009 / 20090308242 - PINION VALVE BODY AND PINION VALVE ASSEMBLY FOR VEHICLE EQUIPPED WITH THE SAME | 1 |
| 88 | Manfred Kurz | DE | Altenstadt | Nov 01, 2012 / 20120272840 - MACHINE PRESS | 1 |
| 89 | Joan Simon Bacardit | ES | Barcelone | May 21, 2009 / 20090126560 - BRAKE BOOST SENSOR FEELER | 1 |
| 90 | Shino Okubo | JP | Kariya-Shi | Mar 10, 2011 / 20110056370 - VARIABLE DISPLACEMENT SWASH PLATE COMPRESSOR | 1 |
| 91 | Mark Lea-Wilson | CA | Edmonton | Apr 16, 2009 / 20090097985 - CONTROL SYSTEM FOR RECIPROCATING DEVICE | 1 |
| 92 | Robert A. Hansen | US | Oakdale, MN | Sep 13, 2012 / 20120227833 - Butterfly valves | 1 |
| 93 | Martin Trinler | DE | Hockenheim | May 26, 2011 / 20110120297 - Hydraulic Circuit | 1 |
| 94 | Marin Gostin | RO | Bucharest | May 03, 2012 / 20120103180 - MIXED GAS ENGINE | 1 |
| 95 | Hisatoshi Sakurai | JP | Kyoto | Mar 03, 2011 / 20110048223 - CONTROL DEVICE FOR A HYDRAULIC MOTOR | 1 |
| 96 | Christian Friedrich | DE | Sonthofen | Feb 16, 2012 / 20120036992 - PISTON MACHINE, ESPECIALLY FLUID PISTON MACHINE | 1 |
| 97 | Michel K. Lovell | US | Marshalltown, IA | Apr 12, 2012 / 20120085437 - Volume Booster With Seat Load Bias | 1 |
| 98 | Eronne Mamei | IT | Modena | Nov 29, 2012 / 20120298231 - Hydraulic Valve | 1 |
| 99 | Karl-Bernd Schaertner | DE | Nidderau | Feb 02, 2012 / 20120024082 - PROCESS VALVE INCLUDING A FORCE MEASURING DEVICE | 1 |
| 100 | Advics Co., Ltd. | JP | Kariya-City | Apr 25, 2013 / 20130098236 - VACUUM BRAKE BOOSTER | 1 |
