Inventor
FRIEND ANTHONY D
US8 patents
⚠️ This page may combine multiple inventors who share the name “FRIEND ANTHONY D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR INC
7 patentsUS6139020AOct 31, 2000
Textured seal
CATERPILLAR INC31 citations91
US6129358AOct 10, 2000
Unidirectional rod sealing ring for a hydraulic cylinder
CATERPILLAR INC48 citations91
US6116613ASep 12, 2000
Shaft wiper seal
CATERPILLAR INC21 citations91
US6047970AApr 11, 2000
Rod scraper
CATERPILLAR INC25 citations91
US6113108ASep 5, 2000
Buffer seal
CATERPILLAR INC25 citations89
US6616146B2Sep 9, 2003
Radial seal arrangement
CATERPILLAR INC16 citations76
US6045137AApr 4, 2000
Radial seal having a metal support
CATERPILLAR INC16 citations76