KH

Keith Hampton

DH Dayco Ip Holdings: 60 patents #3 of 65Top 5%
EA Eaton: 25 patents #56 of 3,708Top 2%
Micron: 10 patents #1,455 of 6,345Top 25%
FG Federal-Mogul Ignition Gmbh: 9 patents #9 of 92Top 10%
FW Federal-Mogul Worldwide: 6 patents #17 of 339Top 6%
TG Tenneco Gmbh: 2 patents #48 of 205Top 25%
📍 Ann Arbor, MI: #26 of 6,071 inventorsTop 1%
🗺 Michigan: #184 of 86,293 inventorsTop 1%
Overall (All Time): #11,306 of 4,157,543Top 1%
113
Patents All Time

Issued Patents All Time

Showing 26–50 of 113 patents

Patent #TitleCo-InventorsDate
10190455 Venturi devices resistant to ice formation for producing vacuum from crankcase gases David E. Fletcher, Brian M. Graichen, James H. Miller, Andrew Niedert 2019-01-29
10190549 Check valves and venturi devices having the same David E. Fletcher, Brian M. Graichen, Matthew C. Gilmer, Andrew Niedert, James H. Miller 2019-01-29
10167971 Aspirated relief valve for a turbocharging system David E. Fletcher, Brian M. Graichen, James H. Miller, Matthew C. Gilmer 2019-01-01
10170895 Corona ignition with self-tuning power amplifier Alfred Permuy, John Antony Burrows 2019-01-01
10151283 Evacuator with motive fin Brian M. Graichen 2018-12-11
10132424 Variable flow valve having metered flow orifice Brian M. Graichen, David E. Fletcher, James H. Miller 2018-11-20
10107240 Check valves and Venturi devices having the same David E. Fletcher, Brian M. Graichen, Matthew C. Gilmer, Andrew Niedert, James H. Miller 2018-10-23
10100720 Crankcase ventilating evacuator David E. Fletcher, Brian M. Graichen, James H. Miller 2018-10-16
10077746 Noise attenuation unit for engine systems David E. Fletcher, Brian M. Graichen, Rex Bravo 2018-09-18
10024339 Vacuum creation system having an ejector, pneumatic control valve and optionally an aspirator David E. Fletcher, Brian M. Graichen, James H. Miller, Rex Bravo, Matthew C. Gilmer +1 more 2018-07-17
D821546 Actuated valve David E. Fletcher, Brian M. Graichen, James H. Miller, Rex Bravo, Matthew C. Gilmer +2 more 2018-06-26
D821302 Venturi device David E. Fletcher, Brian M. Graichen, James H. Miller, Rex Bravo, Matthew C. Gilmer +2 more 2018-06-26
9919689 Bypass valve in an apparatus for producing vacuum David E. Fletcher, Brian M. Graichen 2018-03-20
9915370 Magnetically actuated shut-off valve David E. Fletcher, Brian M. Graichen, James H. Miller 2018-03-13
9915362 Fluidic diode check valve David E. Fletcher, Brian M. Graichen, James H. Miller, Matthew C. Gilmer, Andrew Niedert 2018-03-13
9879699 Venturi devices with dual Venturi flow paths David E. Fletcher, Brian M. Graichen, James H. Miller 2018-01-30
9863537 Check valve with improved sealing member David E. Fletcher, Brian M. Graichen, Matthew C. Gilmer, Andrew Niedert 2018-01-09
9827963 Aspirators for producing vacuum using the Venturi effect Dave Fletcher, Brian M. Graichen, Matt Gilmer, Andrew Niedert 2017-11-28
9828953 Evacuator system having multi-port evacuator David E. Fletcher, James H. Miller, Brian M. Graichen 2017-11-28
9822785 Turbocharger compressor recirculation system David E. Fletcher, Brian M. Graichen, James H. Miller, Matt Gilmer, Rex Bravo +1 more 2017-11-21
D802095 Actuated valve David E. Fletcher, Brian M. Graichen, James H. Miller, Rex Bravo, Matthew C. Gilmer +2 more 2017-11-07
D796634 Actuated valve David E. Fletcher, Brian M. Graichen, James H. Miller, Rex Bravo, Matthew C. Gilmer +2 more 2017-09-05
D796005 Actuated valve David E. Fletcher, Brian M. Graichen, James H. Miller, Rex Bravo, Matthew C. Gilmer +2 more 2017-08-29
D796006 Actuated valve David E. Fletcher, Brian M. Graichen, James H. Miller, Rex Bravo, Matthew C. Gilmer +2 more 2017-08-29
D795392 Actuated valve David E. Fletcher, Brian M. Graichen, James H. Miller, Rex Bravo, Matthew C. Gilmer +2 more 2017-08-22