PF

Paul Douglas Free

CE Cummins Engine: 7 patents #29 of 765Top 4%
CU Cummins: 7 patents #139 of 1,560Top 9%
CS Cummins Emission Solutions: 2 patents #159 of 448Top 40%
AL Altratech Limited: 1 patents #5 of 11Top 50%
CP Cummins Intellectual Property: 1 patents #54 of 116Top 50%
ST Stanadyne: 1 patents #39 of 85Top 50%
WM Watlow Electric Manufacturing: 1 patents #154 of 233Top 70%
📍 Columbus, IN: #72 of 1,378 inventorsTop 6%
🗺 Indiana: #1,494 of 33,936 inventorsTop 5%
Overall (All Time): #219,306 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
11603945 Actuator and compact EGR valve Nicola Fachechi, Walter A. Hoemann 2023-03-14
11459601 Diagnostic device and system Brian O'Farrell, Cian Desmond O'Sullivan, John O'Driscoll, Timothy Cummins, Moira McCarthy +1 more 2022-10-04
11156144 Reductant delivery systems and methods Taren DeHart, Vaibhav J. Lawand, Stephen M. Holl, Nassim Khaled, Colin L. Norris 2021-10-26
11047281 Temperature-based control of reagent distribution Mark D. Everly, Jeffrey R. Diestelmeier, Andrew D. Selvy 2021-06-29
10544721 Reductant delivery systems and methods Taren DeHart, Vaibhav J. Lawand, Stephen M. Holl, Nassim Khaled, Colin L. Norris 2020-01-28
10480377 System and method to improve aftertreatment in an internal combustion engine Jennifer Kay Light-Holets, Vaibhav Daramwar, David A. Brush 2019-11-19
10119496 Cryogenic fuel injection and combustion Lester L. Peters, John R. Pendray 2018-11-06
9915191 Air intake system for internal combustion engine Jason R. Griffin, Alex Edward Priestley, Stephen Sunadh Gidla, Peter Vinson Woon, Joseph Scot Roederer 2018-03-13
9650925 System and method of augmenting low oil pressure in an internal combustion engine Kavana Rao, Michael F. Mattern 2017-05-16
9644590 Fuel injection pressure pulsation dampening system Paul Peavler, Donald J. Benson, Jeffrey C. Huang, Eric A. Benham, C. Edward Morris 2017-05-09
9605630 Air intake system for internal combustion engine Jason R. Griffin, Alex Edward Priestley, Stephen Sunadh Gidla, Peter Vinson Woon, Joseph Scot Roederer 2017-03-28
9291138 Fuel injector with injection control valve assembly Corydon E. Morris 2016-03-22
8844492 Air intake system for internal combustion engine Jason R. Griffin, Alex Edward Priestley, Stephen Sunadh Gidla, Peter Vinson Woon, Joseph Scot Roederer 2014-09-30
6289867 Rotary engine 2001-09-18
6220234 Coated compressor diffuser Glenn L. Baker 2001-04-24
5755101 Electronic turbocharger wastegate controller Spencer C. Lewis, Jr., Canden R. Nelson 1998-05-26
5558067 Double pulsing electronic unit injector solenoid valve to fill timing chamber before metering chamber Norman C. Blizard 1996-09-24
5411003 Viscosity sensitive auxiliary circuit for hydromechanical control valve for timing control of tappet system Walter W. Eberhard, John J. McCosby, Jerome Long, David A. Olson 1995-05-02
5390851 Solenoid operated unit fuel injector with supply line backflow pressure relief valve Martin W. Long, George L. Muntean 1995-02-21
5024200 Viscosity responsive pressure regulator and timing control tappet system incorporating the same B. Doszpoly, Tibor J. Villanyi, David A. Olson 1991-06-18