Inventor
GRIMANIS MICHAEL P
US15 patents
⚠️ This page may combine multiple inventors who share the name “GRIMANIS MICHAEL P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHESTERTON A W CO
12 patentsUS6726220B2Apr 27, 2004
Dual seal assembly
CHESTERTON A W CO22 citations89
US6386548B1May 14, 2002
Dual seal assembly
CHESTERTON A W CO22 citations89
US5398944AMar 21, 1995
Sealing system for reciprocating rod
CHESTERTON A W CO43 citations86
US9366340B2Jun 14, 2016
Non-contacting labyrinth seal assembly
CHESTERTON A W CO8 citations81
US7708285B2May 4, 2010
Elastomer spring mechanical seal
CHESTERTON A W CO8 citations81
US7543822B2Jun 9, 2009
Composite rotary seal assembly
CHESTERTON A W CO9 citations81
US5368336ANov 29, 1994
Split fitting/seal
CHESTERTON A W CO8 citations65
US7806411B2Oct 5, 2010
Radial seal assembly
CHESTERTON A W CO1 citations51
US12060803B2Aug 13, 2024
Split polymer labyrinth seal assembly
CHESTERTON A W CO0 citations49
US12331836B2Jun 17, 2025
System and method for automatically energizing packing material with a packing loading assembly
CHESTERTON A W CO0 citations47
US10473221B2Nov 12, 2019
Matrix split rotary seal
CHESTERTON A W CO0 citations38
US9657841B2May 23, 2017
Loading mechanism for fluid seals
CHESTERTON A W CO0 citations30