JC

John D. Crofts

CE Cummins Engine: 12 patents #9 of 765Top 2%
CU Cummins: 7 patents #139 of 1,560Top 9%
CS Cummins Emission Solutions: 3 patents #108 of 448Top 25%
Overall (All Time): #194,872 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11143077 System and method for varying reductant delivery pressure to aftertreatment systems Friedrich Zapf, Stephen M. Holl 2021-10-12
10301996 System and method for varying reductant delivery pressure to aftertreatment systems Friedrich Zapf, Stephen M. Holl 2019-05-28
9567960 Fuel pump tappet assembly Justin Gregory Wenger 2017-02-14
9353665 Ammonia generation system for an SCR system Andrew Myer, Stephen M. Holl, Omkar Tendolkar, Samuel Johnson, Ambarish D. Khot 2016-05-31
9151289 Fuel pump Scott Robert Simmons, Wesley R. Thayer, Bela Doszpoly, David M. Rix, Anthony A. Shaull +1 more 2015-10-06
6978770 Piezoelectric fuel injection system with rate shape control and method of controlling same Peter Rauznitz, Lester L. Peters, William D. Meyer 2005-12-27
6971172 Piezoelectric control valve adjustment method 2005-12-06
6912998 Piezoelectric fuel injection system with rate shape control and method of controlling same Peter Rauznitz, Lester L. Peters 2005-07-05
6837221 Fuel injector with feedback control Arthur C. Truman, III, Jung-min C. Sung, Peter Rauznitz 2005-01-04
6595436 Proportional needle control injector Joseph Kirzhner, Lester L. Peters, Wayne A. Eckerle 2003-07-22
6313568 Piezoelectric actuator and valve assembly with thermal expansion compensation Jeffrey J. Sullivan 2001-11-06
6293254 Fuel injector with floating sleeve control chamber C. Edward Morris, Donald J. Benson 2001-09-25
6253736 Fuel injector nozzle assembly with feedback control Mark S. Cavanagh, Howard S. Savage 2001-07-03
5979789 Fuel injector with internal component load protection Jeffrey J. Sullivan, Harry L. Wilson, George L. Muntean, Kevin L. Vogt, Mustahsen Gull +1 more 1999-11-09
5979803 Fuel injector with pressure balanced needle valve Lester L. Peters, Julius P. Perr, Benjamin M. Yen, George L. Muntean, J. Victor Perr 1999-11-09
5884848 Fuel injector with piezoelectric and hydraulically actuated needle valve George L. Muntean 1999-03-23
5819704 Needle controlled fuel system with cyclic pressure generation Yul J. Tarr, John T. Carroll, III, Laszlo D. Tikk 1998-10-13
5676114 Needle controlled fuel system with cyclic pressure generation Yul J. Tarr, John T. Carroll, III, Laszlo D. Tikk 1997-10-14
5673853 Electromagnetic fuel injector control valve Mustahsen Gull, Edward B. Manring, Hisham K. MOZAFFAR, Jeffrey J. Sullivan, Kevin L. Vogt +4 more 1997-10-07
5467963 Two-piece collet adjusting nut for a fuel injector solenoid valve Rodney M. Shurman, Gayle L. Wheeler 1995-11-21
5417403 Captured ring and threaded armature solenoid valve Rodney M. Shurman, Harry L. Wilson, David M. Rix, Brett I. Barnhart, Alan B. Slachter 1995-05-23
4947814 Retractable throttle stop Tibor J. Villanyi 1990-08-14