Inventor
Brian L. Cunkelman
Inventor
Blairsville, PA, US
Overview
Patents· 30 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F04Bprimary
F04BPositive-displacement machines for liquids26%
B60TVehicle brake control systems or parts thereof15%
B01DSeparation7%
F01BMachines or engines, in general or of positive-displacement type, e.g. steam engines6%
F02BInternal-combustion piston engines6%
F16KValves6%
Y02TClimate change mitigation technologies related to transportation6%
G01KMeasuring temperature4%
Y10TTechnical subjects covered by former us classification4%
B61CLocomotives2%
PatentTitleYear
7,014,690'Expandable desiccant element'20066,952,932'Aftercooler bypass means for a locomotive compressed air system'20056,793,146'Battery powered humidity indicator'20046,659,739'Locomotive air compressor with an electric motor supported by an external bearing'20036,644,934'Aftercooler bypass means for a locomotive compressed air system'20036,474,748'Electronic vent valve'20026,447,267'Locomotive air compressor with motor supported by outside bearing'20026,419,465'Shaft extension for use with outboard bearing designs'20026,390,779'Intelligent air compressor operation'20026,376,950'Combined bearing plate and stator frame casting'20026,364,635'Endplate for use with outboard bearing designs'20026,305,313'Pop-up temperature indicator for use in a 3-CD type air compressor or similar device'20016,286,997'Temperature indicator for use in a pressurized environment'20016,283,725'Aftercooler bypass means for a locomotive compressed air system'20016,203,285'Compressor intercooler unloader arrangement'20016,167,956'Aftercooler having bypass passage integrally formed therewith'20016,128,825'Combination main reservoir and gas drying apparatus'20006,125,872'Temperature activated diversion valve'20006,123,515'Pressure relief valve with pneumatic pilot'20006,070,339'Membrane air dryer with scheme to reduce air lost as sweep air'20006,026,587'Intercooler blowdown valve'20006,021,867'Air compressor bearing lubrication'20005,963,883'Modified airflow algorithm with compensation for variations in main reservoir air pressure and ambient airflow'19995,894,881'Fan powered aftercooler and control circuit for locomotive compressors having no integral aftercooler'19995,885,060'Thermostatically controlled intercooler system for a multiple stage compressor and method'19995,831,232'Pneumatic emergency brake application valve and an associated electrical signaling switch'19985,785,081'Compressor inlet valve'19985,704,770'Air passage insert for oil fill spout'19985,503,469'Apparatus to prevent inadvertent discharge and trapping of pipe pressure in an electro-pneumatic locomotive brake control system'19965,332,297'Charging cut-off valve arrangement for microprocessor-based electropneumatic locomotive brake control system'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–2005Patents assigned to WESTINGHOUSE AIR BRAKE CO (20)· patent assignee history
1994–1999Based in Wilmerding, PA, US· patent location history
1998–2006Based in Blairsville, PA, US· patent location history
2002–2006Patents assigned to WESTINGHOUSE AIR BRAKE TECH CORP (8)· patent assignee history
2002Patents assigned to WABTEC CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| WESTINGHOUSE AIR BRAKE CO | 20 | 1994–2005 |
| WESTINGHOUSE AIR BRAKE TECH CORP | 8 | 2002–2006 |
| WABTEC CORP | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Blairsville, Pennsylvania, US | 26 | 1998–2006 |
| Wilmerding, Pennsylvania, US | 4 | 1994–1999 |