Top Inventors for class "Tools" |
Rank | Inventor's name | Country | City/State | Last publication | # of patent apps in this class |
1 | Bobby Hu | TW | Taichung | May 12, 2016 / 20160129563 - Rathchet Wrench with Dustproof Structure | 42 |
2 | Chih-Ching Hsieh | TW | Taichung City | Sep 15, 2022 / 20220288751 - Socket with Engaging Structure | 38 |
3 | Ronald L. Johnson | US | San Jose, CA | Jun 22, 2017 / 20170175983 - EXTENDABLE MULTI-TOOL INCLUDING INTERCHANGABLE LIGHT BULB CHANGER AND ACCESSORIES | 26 |
4 | Yugen Patrick Lockhart | US | Palo Alto, CA | Jun 01, 2017 / 20170151656 - UNIVERSAL RATCHETING TOOL | 23 |
5 | Robert J. Gallegos | US | Fremont, CA | Jun 22, 2017 / 20170175983 - EXTENDABLE MULTI-TOOL INCLUDING INTERCHANGABLE LIGHT BULB CHANGER AND ACCESSORIES | 22 |
6 | Idriss Mansouri-Chafik Ruiz | US | San Jose, CA | Jun 22, 2017 / 20170175983 - EXTENDABLE MULTI-TOOL INCLUDING INTERCHANGABLE LIGHT BULB CHANGER AND ACCESSORIES | 21 |
7 | Steven Simas Escobar | US | San Jose, CA | Jun 01, 2017 / 20170151656 - UNIVERSAL RATCHETING TOOL | 19 |
8 | Anders Scot Hudson | US | Campbell, CA | Jun 01, 2017 / 20170151656 - UNIVERSAL RATCHETING TOOL | 16 |
9 | Ping-Wen Huang | TW | Taichung City | Feb 11, 2016 / 20160039075 - Ratcheting Wrench | 15 |
10 | Yi-Fu Chen | TW | Taichung City | Aug 04, 2022 / 20220241939 - WRENCH WITH A ROTARY HEAD | 15 |
11 | Howard Allen Wilson | US | Santa Clara, CA | Jun 09, 2016 / 20160158930 - HAND TOOL WITH MULTIPLE BIT STORAGE AND A METHOD FOR USING THE SAME | 15 |
12 | Eric M. Colton | US | Torrance, CA | Jun 01, 2017 / 20170151656 - UNIVERSAL RATCHETING TOOL | 15 |
13 | Michael T. Gauthier | US | Grafton, WI | May 05, 2016 / 20160121465 - Variable Gear Ratio Ratchet | 15 |
14 | John Nino | US | Simi Valley, CA | Jun 15, 2017 / 20170164952 - TROCAR DEVICE WITH DETACHABLE HANDLE AND ASSOCIATED METHODS | 14 |
15 | David Ivinson | US | Camarillo, CA | Jun 15, 2017 / 20170164952 - TROCAR DEVICE WITH DETACHABLE HANDLE AND ASSOCIATED METHODS | 13 |
16 | Chih-Ching Hsieh | TW | Taichung Hsien | Jan 20, 2011 / 20110011218 - WRENCHING TOOL APPLICABLE TO VARIOUS SIZES OF THREADED MEMBERS | 13 |
17 | Chih-Ching Hsieh | TW | Taichung County | Nov 10, 2011 / 20110271801 - Wrench | 10 |
18 | Chin-Tan Huang | TW | Taichung City | Apr 02, 2015 / 20150090077 - HAND TOOL CAPABLE OF INDICATING REVOLUTION NUMBER | 10 |
19 | Burton Kozak | US | Chicago, IL | Sep 24, 2015 / 20150266102 - TOOL ACCESSORY HAVING A PARTIALLY REMOVABLE ATTACHMENT PORTION | 10 |
20 | Jin-Tsai Lai | TW | Taichung City | Jul 28, 2011 / 20110179917 - HAND TOOL FOR ADJUSTING TORSION | 9 |
21 | Chih-Min Chang | TW | Changhua County | Jan 14, 2021 / 20210008694 - EASILY ASSEMBLED RATCHET WRENCH | 9 |
22 | Jack Lin | TW | Taichung City | Jan 30, 2014 / 20140028169 - Toolbox | 9 |
23 | Jörg Hohmann | DE | Meschede | Aug 04, 2022 / 20220241912 - Arrangement of a Tightening Device for a Screw Connection and a Safety Device | 8 |
24 | Frank Hohmann | DE | Warstein | Aug 04, 2022 / 20220241912 - Arrangement of a Tightening Device for a Screw Connection and a Safety Device | 8 |
25 | Daniel M. Eggert | US | Kenosha, WI | Jul 28, 2022 / 20220234172 - HIGH LEVERAGE LOCKING PLIERS | 8 |
26 | John K. Junkers | US | Saddle River, NJ | Dec 02, 2021 / 20210372442 - APPARATUS FOR TIGHTENING THREADED FASTENERS | 8 |
27 | Arthur Wu | TW | Taichung County | Dec 10, 2009 / 20090301268 - Ratchet mechanism for adjustable wrench | 8 |
28 | David P. Engvall | US | Stanley, NC | Oct 28, 2021 / 20210331254 - POWER TOOL CHUCK | 8 |
29 | Ping-Wen Huang | TW | Wurih Township | Apr 28, 2011 / 20110094351 - REDIRECTION STRUCTURE OF RATCHET WRENCH | 7 |
30 | Ira Kozak | US | Riverwoods, IL | Jul 24, 2014 / 20140202969 - Peg Board Hook | 7 |
31 | Brian James Cutler | US | Rowland Heights, CA | Dec 27, 2018 / 20180369998 - SHAFT RATCHET RELEASE AND SEALING MECHANISM | 7 |
32 | Keith M. Lombardi | US | Avon, CT | Feb 18, 2016 / 20160046026 - SLIDING BLADE UTILITY KNIFE | 7 |
33 | Chih-Ching Hsieh | TW | Feng Yuan | Jan 05, 2012 / 20120000325 - HAND TOOL ALTERNATELY-MAGNETIZING STRUCTURE | 7 |
34 | C. Robert Moon | US | Joliet, IL | Aug 21, 2014 / 20140230614 - Coupling Mechanisms for Detachably Engaging Tool Attachments | 7 |
35 | Cheng-Wei Su | TW | Taichung | Mar 12, 2015 / 20150068368 - INSERT BIT | 7 |
36 | Cheng-Wei Su | TW | Taichung City | Aug 04, 2022 / 20220241933 - WRENCH INCLUDING OPENING BETWEEN GRIPPING PORTIONS ADJUSTABLE RAPIDLY | 7 |
37 | Thomas M. Chervenak | US | Stanley, NC | Jul 03, 2014 / 20140182116 - INCREASED AND VARIABLE FORCE AND MULTI-SPEED CLAMPS | 7 |
38 | John B. Davidson | US | Chicago, IL | Aug 21, 2014 / 20140230614 - Coupling Mechanisms for Detachably Engaging Tool Attachments | 7 |
39 | Tzu-Chien Wang | TW | Tainan City | Jun 25, 2015 / 20150174757 - OPERATING ROD ASSEMBLY FOR A TOOLBOX | 7 |
40 | Ming-Chieh Wu | TW | Taichung City | Dec 30, 2021 / 20210402570 - POSITIONING CLAMP AND CLAMPING DEVICE HAVING THE SAME | 7 |
41 | Christian Heggemann | DE | Detmold | Jun 26, 2014 / 20140179158 - Adapter Arrangement | 6 |
42 | Shiyu Sun | CN | Shanghai | Oct 17, 2019 / 20190314975 - WORKBENCH | 6 |
43 | Thomas Koester | DE | Schlangen | Aug 13, 2009 / 20090199682 - Hand grip operating means for an insulation-stripping tool | 6 |
44 | Tsan-Chang Lee | TW | Taichung | May 12, 2016 / 20160129581 - HAND TOOL WITH INDICATION PORTION ON HANDLE | 6 |
45 | Yueh-Li Wang | TW | Taichung | Jan 29, 2015 / 20150027278 - OPEN WRENCH | 6 |
46 | Siegfried Storm | DE | Schlangen | Aug 13, 2009 / 20090199682 - Hand grip operating means for an insulation-stripping tool | 6 |
47 | Detlev Hetland | DE | Detmold | Oct 08, 2015 / 20150288124 - SELF-ADJUSTING CRIMPING TOOL | 6 |
48 | Robert F. Miller | US | Grafton, WI | May 05, 2016 / 20160121465 - Variable Gear Ratio Ratchet | 6 |
49 | Michael S. Steele | US | Waukesha, WI | Apr 07, 2016 / 20160096396 - CHALK LINE DEVICE | 6 |
50 | Chia-Yun Lin | TW | Taichung | Oct 27, 2011 / 20110259160 - Tool Element | 5 |
51 | Michael P. Peters | US | Lutherville, MD | Apr 16, 2020 / 20200114498 - TOOL BITS WITH FLOATING MAGNET SLEEVES | 5 |
52 | Roger A. Vandenberg | US | Hudsonville, MI | Aug 04, 2022 / 20220241937 - SCREW GUIDE AND RELATED METHOD OF USE | 5 |
53 | Andreas Wedler | DE | Detmold | Dec 08, 2011 / 20110299246 - MODULAR ELECTRONICS HOUSING | 5 |
54 | Jun Fan Chen | TW | Taichung City | May 26, 2016 / 20160144470 - INSTALLATION DEVICE FOR A VEHICLE CYLINDER AND INSTALLATION ASSEMBLY HAVING THE SAME | 5 |
55 | Troy Hale | US | Goodlettsville, TN | Mar 13, 2014 / 20140069241 - RING LOCK MANDREL AND RELEASE MECHANISM | 5 |
56 | Bobby Hu | TW | Taichung City | Dec 31, 2020 / 20200406431 - RECIPROCATING WRENCH FOR QUICK COMBINING FASTENER | 5 |
57 | Jih Chun Wu | TW | Taichung City | Mar 06, 2014 / 20140060270 - Clutch for Torque-Exerting Device | 5 |
58 | Min Wang | CN | Hangzhou City | Jun 22, 2017 / 20170173763 - LOCKING PLIERS | 5 |
59 | Muniswamappa Anjanappa | US | Ellicott City, MD | Apr 14, 2016 / 20160103215 - HANDHELD LOCATING DEVICE | 5 |
60 | Nigel Alexander Buchanan | GB | Fife | Dec 23, 2021 / 20210394353 - Screwdriver Handle | 5 |
61 | David C. Campbell | US | Bel Air, MD | Apr 28, 2016 / 20160114408 - POWER TOOL WITH AUTOMATIC CHUCK | 5 |
62 | Mara C. Schwartz | US | Glendale, WI | May 05, 2016 / 20160121465 - Variable Gear Ratio Ratchet | 5 |
63 | William H. Hoffman | US | Cincinnati, OH | May 09, 2013 / 20130112051 - SCREWDRIVER TOOL WITH IMPROVED CORNER FIT FUNCTION | 5 |
64 | Michael L. Whitehead | US | Clarinda, IA | Feb 11, 2016 / 20160042578 - ON BOARD DIAGNOSTIC (OBD II) SPLITTER CABLE | 5 |
65 | Wade Burch | US | Wauwatosa, WI | Jan 14, 2021 / 20210010869 - THERMAL DETECTION SYSTEMS, METHODS, AND DEVICES | 5 |
66 | David T. Ross | US | Beach Park, IL | May 19, 2016 / 20160138668 - Ratchet Mechanism Spring | 5 |
67 | Tien-Lung Lin | TW | Taichung | Jul 13, 2017 / 20170197300 - HAND TOOL ADAPTER CAPABLE OF INCREASING OUTPUT TORQUE OR ROTATIONAL SPEED | 4 |
68 | Brock Watson | US | Oklahoma City, OK | May 12, 2016 / 20160129565 - RETENTION APPARATUS FOR PORTIONS OF ADJUSTABLE WRENCH | 4 |
69 | Guenter Hanning | DE | Detmold | Jun 25, 2009 / 20090158900 - Insulation stripping tool | 4 |
70 | Hsin-Hung Yang | TW | Taichung City | May 28, 2015 / 20150143965 - Polygonal Wrench Tool | 4 |
71 | Richard P. Folkenroth | US | York, PA | May 28, 2015 / 20150143962 - RATCHET WRENCH | 4 |
72 | Ming-Ching Tsai | TW | Taichung City | Oct 31, 2013 / 20130283984 - POSITIONING DEVICE FOR A HAND TOOL | 4 |
73 | Wen Hung Chiang | TW | Taichung Hsien | Jan 14, 2010 / 20100008739 - Power tool combination | 4 |
74 | Jia-Guann Liau | TW | Taichung | Dec 29, 2016 / 20160375558 - OPEN WRENCH | 4 |
75 | Chia-Yu Chen | TW | Taichung | Aug 27, 2015 / 20150239105 - RATCHET WRENCH WITH REPLACEABLE TOOL HEAD | 4 |
76 | Nigel Buchanan | GB | New Gilston | May 26, 2016 / 20160144488 - Pliers apparatus | 4 |
77 | Liang Chen | CN | Nanjing | Mar 10, 2022 / 20220071096 - WALK-BEHIND SELF-PROPELLED MACHINE | 4 |
78 | Allan Stewart Richardson | US | The Woodlands, TX | Jan 07, 2016 / 20160002988 - PORTABLE PIPE HANDLING SYSTEM | 4 |
79 | Antonio Cami Riestra | ES | Lleida | Aug 25, 2011 / 20110203425 - MANUALLY DRIVEN AND SELF-CONTAINED, CONTROLLED TIGHTENING HYDRAULIC WRENCH | 4 |
80 | Man-Chi Chang | TW | Taichung | Jul 31, 2014 / 20140209199 - PIPE SEALING DEVICE | 4 |
81 | Kyle Harvey | US | Wauwatosa, WI | Jul 21, 2022 / 20220228731 - STAND LIGHT | 4 |
82 | Chih-Ching Hsieh | TW | Fongyuan City | Mar 10, 2011 / 20110056338 - Contractible wrench structure | 4 |
83 | Douglas A. Hunter | CA | Calgary | Oct 22, 2015 / 20150300105 - METHODS AND APPARATUS FOR AUTOMATED OILFIELD TORQUE WRENCH SET-UP TO MAKE-UP AND BREAK-OUT TUBULAR STRINGS | 4 |
84 | Chih-Ching Hsieh | TW | Fengyuan City | Jun 18, 2009 / 20090153581 - ELECTRONIC TORQUE TOOL WITH MULTIPLE COLOR DISPLAY ASSEMBLY | 4 |
85 | Paul Carnes | US | North Dartmouth, MA | Apr 10, 2014 / 20140096654 - Impact Socket | 4 |
86 | Arthur Wu | TW | Taichung | Apr 16, 2015 / 20150101460 - REVERSIBLE MONKEY WRENCH | 4 |
87 | Jerry A. King | US | Hacienda Hts, CA | Nov 13, 2014 / 20140336955 - Electronic Torque Tool with Integrated Real-Time Clock | 4 |
88 | Bo-Shen Chen | TW | Taichung County | Mar 24, 2016 / 20160082579 - BIT FOR REMOVING DAMAGED SCREWS | 4 |
89 | Calvin A. Bonas | US | Bronx, NY | Dec 02, 2021 / 20210372442 - APPARATUS FOR TIGHTENING THREADED FASTENERS | 4 |
90 | Chia-Yu Chen | TW | Taichung City | Aug 11, 2022 / 20220250212 - RESISTING STRUCTURE OF RATCHET WRENCH | 4 |
91 | Michael D. Ensign | US | Salt Lake City, UT | Nov 18, 2021 / 20210353334 - NESTING TETHER CLAMPING ASSEMBLIES AND RELATED METHODS AND APPARATUS | 4 |
92 | Glen R. Chartier | US | Avon Lake, OH | Jan 06, 2022 / 20220001431 - SECTIONAL DRAIN CLEANER CABLE SYSTEM FOR CLEAN USE, STORAGE, AND TRANSPORT | 4 |
93 | Arthur Wu | TW | Shen Kang Hsiang | May 26, 2011 / 20110120273 - REVERSIBLE OPEN END WRENCH HAVING RETAINING PROPERTY | 4 |
94 | Darren B. Moss | US | York, PA | Apr 16, 2020 / 20200114498 - TOOL BITS WITH FLOATING MAGNET SLEEVES | 4 |
95 | Chen-Tsung Chen | TW | Jiali Township | May 20, 2010 / 20100122610 - Adjustable Wrench That Clamp a Workpiece Exactly and Tightly | 4 |
96 | Derek Silsby | US | Worcester, MA | Apr 10, 2014 / 20140096654 - Impact Socket | 4 |
97 | Jack Lee | TW | Taichung | Feb 06, 2014 / 20140033877 - ADJUSTABLE HANDLE FOR DRIVING TOOL | 4 |
98 | Herbert G. Hart | US | Sunnyvale, CA | Nov 04, 2010 / 20100275739 - SINGLE PIECE ROTARY WRENCHING TOOL | 4 |
99 | Peter Koppenhoefer | US | Portland, PA | Mar 10, 2016 / 20160067849 - APPARATUS FOR TIGHTENING THREADED FASTENERS | 4 |
100 | Richard W. Lukes | US | Calmar, IA | May 01, 2014 / 20140116210 - TORQUE TRANSMISSION DRIVER | 4 |