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USPTO Patent Rankings Data through Dec 31, 2025
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Robert D. Keller — 44 Patents

EAEaton: 31 patents #36 of 3,708Top 1%
DGDana Automotive Systems Group: 5 patents #28 of 269Top 15%
DGDana Heavy Vehicle Systems Group: 2 patents #69 of 191Top 40%
SPSperry: 2 patents #196 of 841Top 25%
DLDana Limited: 1 patents #464 of 1,099Top 45%
ELEaton Intelligent Power Limited: 1 patents #1,176 of 2,212Top 55%
Davisburg, MI: #2 of 134 inventorsTop 2%
Michigan: #1,171 of 86,293 inventorsTop 2%
Overall (All Time): #66,838 of 4,157,543Top 2%
44 Patents All Time
Robert D. Keller has been granted 44 US patents while listed as an inventor at Eaton. The first was granted in 1984 and the most recent in April 2024. Robert D. Keller ranks #66,838 of 4,157,543 US inventors in our database (top 1.6%). Patent records list Robert D. Keller in Davisburg, MI, US.

Issued Patents All Time

Showing 1–25 of 44 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11959550 Actuation mechanism Justin S. Davis, Aaron D. Gries 2024-04-16 $13,380,000
11719337 Methods and systems for a parking mechanism Brian V. Knapke, Nicholas W. LAFORCE, Aaron D. Gries 2023-08-08
11619302 Actuation mechanism Justin S. Davis, Aaron D. Gries 2023-04-04 $9,827,000
11608891 Actuation mechanism Justin S. Davis, Aaron D. Gries 2023-03-21 $9,618,000
11585420 Electrical differential locker with eddy current sensor Michael Z. Creech, Justin S. Davis, Terry W. McGraner, Timothy R. Zuehlke 2023-02-21 $11,290,000
11378185 Parking mechanism and method of operation thereof Ned W. Wright, Aaron D. Gries, Robert L. Vailliencourt, Brian V. Knapke 2022-07-05
11118665 Electrical differential locker with eddy current sensor Michael Z. Creech, Justin S. Davis, Terry W. McGraner, Timothy R. Zuehlke 2021-09-14 $32,473,000
D829304 Valve carriage Raymond Bruce McLauchlan, Vaughn K. Mills, Ronald Sexton, Steven L. Ambrose, Daniel Lee Pifer 2018-09-25
10006740 Sight assembly for firearms 2018-06-26
9284865 Method of controlling fluid pressure-actuated switching component and control system for same David Turner, Mark L. Dell'Eva 2016-03-15 $41,242,000
D750746 Fuel tank isolation valve Raymond Bruce McLauchlan, Vaughn K. Mills, Ronald Sexton, Steven L. Ambrose, Daniel Lee Pifer 2016-03-01
D747784 Fuel tank isolation valve Raymond Bruce McLauchlan, Vaughn K. Mills, Ronald Sexton, Steven L. Ambrose, Daniel Lee Pifer 2016-01-19
9157542 Fluid-biased hydraulic control valve Gerrit V. Beneker 2015-10-13 $11,825,000
9022067 Dual variable valve solenoid module Robert Boychuk 2015-05-05 $15,521,000
D728746 Fuel tank isolation valve Raymond Bruce McLauchlan, Vaughn K. Mills, Ronald Sexton, Steven L. Ambrose, Daniel Lee Pifer 2015-05-05
D728747 Fuel tank isolation valve Raymond Bruce McLauchlan, Vaughn K. Mills, Ronald Sexton, Steven L. Ambrose, Daniel Lee Pifer 2015-05-05
8844561 Isolation valve with integrated sensor Daniel Lee Pifer 2014-09-30 $26,910,000
8839767 Relief valve and fuel vapor valve assembly 2014-09-23 $119,994,000
8823390 Solenoid-operated valve and method of monitoring same Steven L. Ambrose, Eric O. Barrows 2014-09-02 $63,900,000
D706389 Fuel tank isolation valve Raymond Bruce McLauchlan, Vaughn K. Mills, Ronald Sexton, Steven L. Ambrose, Daniel Lee Pifer 2014-06-03
D706390 Fuel tank isolation valve Raymond Bruce McLauchlan, Vaughn K. Mills, Ronald Sexton, Steven L. Ambrose, Daniel Lee Pifer 2014-06-03
8656873 Oil control valve assembly for engine cam switching Gerrit V. Beneker, Robert Boychuk, Leo Joseph Buresh, III 2014-02-25 $48,044,000
8534182 Valvetrain oil control system and oil control valve Gerrit V. Beneker, Robert A. Dayton 2013-09-17 $71,420,000
8459218 Adjustable-stroke solenoid valve Robert Boychuk, Keith A. Krett 2013-06-11 $19,307,000
8443839 Fluid-biased hydraulic control valve with armature piston Gerrit V. Beneker 2013-05-21 $38,353,000