Inventor
PERR ANDREW P
US17 patents
⚠️ This page may combine multiple inventors who share the name “PERR ANDREW P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CUMMINS INC
7 patentsUS7240643B1Jul 10, 2007
Piston cooling nozzle and positioning method for an internal combustion engine
CUMMINS INC22 citations88
US10494981B2Dec 3, 2019
Combustion pre-chamber device for an internal combustion engine
CUMMINS INC2 citations68
US10619550B2Apr 14, 2020
Main bearing cap stud configuration and assembly method
CUMMINS INC1 citations62
US11441512B2Sep 13, 2022
Engine cooling system including cooled exhaust seats
CUMMINS INC0 citations58
US11008973B2May 18, 2021
Engine cooling system including cooled exhaust seats
CUMMINS INC0 citations58
US11725605B2Aug 15, 2023
Cylinder head bolt boss cutouts
CUMMINS INC0 citations45
US9556778B2Jan 31, 2017
Waste heat recovery system including a clutched feedpump
CUMMINS INC0 citations41
CUMMINS ENGINE CO INC
4 patentsUS6328001B1Dec 11, 2001
Replaceable cylinder liner with improved cooling
CUMMINS ENGINE CO INC26 citations89
US6116198ASep 12, 2000
Replaceable cylinder liner with improved cooling
CUMMINS ENGINE CO INC34 citations89
US5806499ASep 15, 1998
Dedicated overhead cam shaft for unit injector
CUMMINS ENGINE CO INC6 citations72
US5975060ANov 2, 1999
Dedicated overhead cam shaft for unit injector
CUMMINS ENGINE CO INC4 citations61
ACHATES POWER INC
3 patentsUS11326569B2May 10, 2022
Fuel injector mounting assembly for an opposed-piston engine
ACHATES POWER INC1 citations62
US12286940B2Apr 29, 2025
Parent bore cylinder block of an opposed-piston engine
ACHATES POWER INC0 citations60
US10989136B2Apr 27, 2021
Parent bore cylinder block of an opposed-piston engine
ACHATES POWER INC1 citations60