AP

Andrew P. Perr

CU Cummins: 7 patents #139 of 1,560Top 9%
CE Cummins Engine: 4 patents #79 of 765Top 15%
AP Achates Power: 3 patents #27 of 79Top 35%
CI Cummins Filtration Ip: 3 patents #155 of 460Top 35%
Overall (All Time): #264,226 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12286940 Parent bore cylinder block of an opposed-piston engine John J. Koszewnik, Gary A. Vrsek 2025-04-29
11725605 Cylinder head bolt boss cutouts Dennis King Chan, William R. Dougherty, Jeffrey D. Jones, Andrew Guy Kitchen, Philipe F. Saad +2 more 2023-08-15
11441512 Engine cooling system including cooled exhaust seats Robin J. Bremmer, Philipe F. Saad, Akintomide K. Akinola, Rick Vaughan Lewis, Jr., Dennis King Chan 2022-09-13
11326569 Fuel injector mounting assembly for an opposed-piston engine 2022-05-10
11008973 Engine cooling system including cooled exhaust seats Robin J. Bremmer, Philipe F. Saad, Akintomide K. Akinola, Rick Vaughan Lewis, Jr., Dennis King Chan 2021-05-18
10989136 Parent bore cylinder block of an opposed-piston engine John J. Koszewnik, Gary A. Vrsek 2021-04-27
10619550 Main bearing cap stud configuration and assembly method 2020-04-14
10494981 Combustion pre-chamber device for an internal combustion engine Philipe F. Saad, Akintomide K. Akinola, Rick Vaughan Lewis, Jr., Dwight A. Doig 2019-12-03
9556778 Waste heat recovery system including a clutched feedpump James A. Zigan, Timothy C. Ernst 2017-01-31
8616188 Engine air management system Scott P. Heckel, Jerald J. Moy, Scott W. Schwartz, Mark V. Holzmann, Peter K. Herman +2 more 2013-12-31
8342160 Engine air management system Scott P. Heckel, Jerald J. Moy, Scvott W. Schwartz, Mark V. Holzmann, Peter K. Herman +2 more 2013-01-01
8146574 Engine air management system Scott P. Heckel, Jerald J. Moy, Scott W. Schwartz, Mark V. Holzmann, Peter K. Herman +2 more 2012-04-03
7240643 Piston cooling nozzle and positioning method for an internal combustion engine Kristopher R. Bare, Marcus M. Chui 2007-07-10
6328001 Replaceable cylinder liner with improved cooling Daniel Kirtley, Carol L. Corbeels, Abby J. Dawkins, Kristopher R. Bare 2001-12-11
6116198 Replaceable cylinder liner with improved cooling Daniel Kirtley, Carol L. Corbeels, Abby J. Dawkins, Kristopher R. Bare 2000-09-12
5975060 Dedicated overhead cam shaft for unit injector Thomas Stover 1999-11-02
5806499 Dedicated overhead cam shaft for unit injector Thomas Stover 1998-09-15