Inventor
CAMPBELL PAUL B
US10 patents
⚠️ This page may combine multiple inventors who share the name “CAMPBELL PAUL B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
INGERSOLL RAND CO
6 patentsUS5350025ASep 27, 1994
Nonrotary piston for jackhammer and removable splined nut therefor
INGERSOLL RAND CO26 citations88
US5305835AApr 26, 1994
Nonrotary piston for jackhammer and removable splined nut therefor
INGERSOLL RAND CO9 citations73
US5031505AJul 16, 1991
Variable frequency control for percussion actuator
INGERSOLL RAND CO9 citations72
US5022309AJun 11, 1991
Variable frequency control for percussion actuator
INGERSOLL RAND CO13 citations72
USD355355SFeb 14, 1995
External surface of a splined nut
INGERSOLL RAND CO0 citations51
USD355356SFeb 14, 1995
An external surface of a splined nut
INGERSOLL RAND CO0 citations51