Inventor
SPERRY ROBERT G
US13 patents
⚠️ This page may combine multiple inventors who share the name “SPERRY ROBERT G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CUMMINS INC
8 patentsUS11402020B2Aug 2, 2022
Piston with multiaxial bearing and piston bowl
CUMMINS INC1 citations53
US11143149B2Oct 12, 2021
Cobra head air intake ports
CUMMINS INC0 citations51
US11098681B2Aug 24, 2021
Cobra head air intake ports and intake manifolds
CUMMINS INC0 citations51
US11555469B2Jan 17, 2023
Piston bowls
CUMMINS INC0 citations50
US12163484B2Dec 10, 2024
Piston, block assembly, and method for cooling
CUMMINS INC0 citations49
US12129810B2Oct 29, 2024
System and method for deburred port holes in a two-stroke engine
CUMMINS INC0 citations49
US11619150B2Apr 4, 2023
Lubrication fluid storage system with venting
CUMMINS INC0 citations49
US11415075B2Aug 16, 2022
Port shapes for enhanced engine breathing
CUMMINS INC0 citations48