DH

David Heaps

WL Wabco Automotive Uk Limited: 6 patents #1 of 22Top 5%
WB Wabco Europe Bvba: 4 patents #11 of 157Top 8%
AD Advantest: 2 patents #465 of 1,193Top 40%
ZB Zf Cv Systems Europe Bv: 2 patents #38 of 223Top 20%
LA Lyondellbasell Acetyls: 1 patents #10 of 23Top 45%
📍 Yardley, PA: #81 of 643 inventorsTop 15%
🗺 Pennsylvania: #4,940 of 74,527 inventorsTop 7%
Overall (All Time): #318,632 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
11168691 Rotary vacuum pump with a rotor end groove Phillip Saxton, Peter Todman 2021-11-09
11143188 Vacuum pump reed valve which will reduce cold start torque Simon Warner 2021-10-12
10837283 Vacuum pump with eccentrically driven vane (eccentric pump design with crank pin) Simon Warner 2020-11-17
10683864 Twin vane rotary vacuum pump Simon Warner, Paul Wellings 2020-06-16
10480465 Vacuum pump and system of a vacuum pump and an engine Phillip Saxton, Peter Todman 2019-11-19
10371148 Vacuum pump Simon Warner, John Hegarty 2019-08-06
10118884 Acetic acid process Noel C. Hallinan, David L. Ramage 2018-11-06
9856877 Vacuum pump having a disconnectable drive coupling Simon Warner 2018-01-02
9803642 Vacuum pump with eccentrically driven vane (eccentric pump design) Simon Warner 2017-10-31
9683570 Vacuum pump Simon Warner, John Hegarty 2017-06-20
9606054 Methods, sampling device and apparatus for terahertz imaging and spectroscopy of coated beads, particles and/or microparticles Edward Earl King, Gregory Self, Richard R. McKay, Mark Sullivan 2017-03-28
9417181 Dynamic measurement of density using terahertz radiation with real-time thickness measurement for process control Edward Earl King, Mark Sullivan 2016-08-16
8651833 Combined gas and liquid pump John Hegarty 2014-02-18
8628317 Vacuum pump with an axial oil feed conduit John Hegarty 2014-01-14
7207782 Vacuum pump Andrew Blackwood 2007-04-24