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Barfknecht
Peter William Barfknecht, Embarraas, MN US
| Patent application number | Description | Published |
|---|---|---|
| 20090274532 | CARGO RESTRAINT TIE DOWN - A tie down for securing objects in an aircraft having a roller tray can comprise a tie-fitting, a carriage, and protruding elements. A carriage can include at least one side wall with protruding elements extending from the side wall of a carriage to cooperate with a roller tray. The protruding elements removably secure the tie down to a selected location along the roller tray. A restraint extending from an object can be removably secured to a tie down. The tie down being vertically insertable and removable by hand operation and without the use if tools or mechanical fasteners. | 11-05-2009 |
Ralf Barfknecht, Koln DE
| Patent application number | Description | Published |
|---|---|---|
| 20100273874 | USE OF PROPINEB AS BIRD REPELLENT - The present invention relates to the novel use of Propineb as bird repellent. | 10-28-2010 |
Robert Barfknecht, Waterford, WI US
| Patent application number | Description | Published |
|---|---|---|
| 20110011376 | EXHAUST GAS RECIRCULATION SYSTEM AND METHOD OF OPERATING THE SAME - The present invention provides an exhaust gas recirculation cooler for transferring heat from engine exhaust to coolant including a pair of spaced apart headers, a tube body extending between the pair of headers and positioned along a flow path for the coolant and at least partially defining a flow path for the engine exhaust along a length of the tube between the pair of headers, and a corrugated insert supported in an interior of the tube and having a height in a direction of a plurality of corrugations and a width between about 8.6 and about 13.5 times the height. The width can be substantially perpendicular to the length of the tube and can be substantially perpendicular to the height of the insert. | 01-20-2011 |
Robert J. Barfknecht, Waterford, WI US
| Patent application number | Description | Published |
|---|---|---|
| 20080202739 | 2-Pass heat exchanger including internal bellows assemblies - A heat exchanger ( | 08-28-2008 |
| 20090250201 | HEAT EXCHANGER HAVING A CONTOURED INSERT AND METHOD OF ASSEMBLING THE SAME - The present invention provides a heat exchanger for transferring heat between a first working fluid and a second working fluid, including a pair of spaced apart headers, a number of tubes extending between the pair of headers and providing a flow path for the first working fluid and being positioned along a flow path for the second working fluid, and an insert supportable in one of the tubes and having a fold extending in a direction substantially parallel to the flow path for the first working fluid through the tubes. The fold can define first and second legs of the insert. A dimple can be formed on the first leg and a protrusion can be formed on the second leg opposite to the dimple on the first leg. | 10-08-2009 |
| 20100032149 | HEAT EXCHANGER AND METHOD OF MANUFACTURING THE SAME - The present invention provides, among other things, a heat exchanger including a plurality of tubes providing a flow path for a first fluid, a fin supported between two of the plurality of tubes and positioned along a flow path for a second fluid. Together, the fin and the plurality of tubes at least partially define a heat exchanger core. The heat exchanger can also include first and second tanks positioned adjacent to opposite ends of the plurality of tubes and an elastically deformable side part extending across the heat exchanger core and including a pair of integrally formed caps for closing openings in the first and second tanks. | 02-11-2010 |