Inventor
WITKOWSKI BRIAN
US13 patents
⚠️ This page may combine multiple inventors who share the name “WITKOWSKI BRIAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SPM FLOW CONTROL INC
8 patentsUS9103448B2Aug 11, 2015
Plug valve having preloaded seal segments
SPM FLOW CONTROL INC57 citations97
US9638337B2May 2, 2017
Plug valve having preloaded seal segments
SPM FLOW CONTROL INC36 citations93
USD734434SJul 14, 2015
Seal assembly
SPM FLOW CONTROL INC19 citations92
USD707332SJun 17, 2014
Seal assembly
SPM FLOW CONTROL INC21 citations92
US10557576B2Feb 11, 2020
Full-root-radius-threaded wing nut having increased wall thickness
SPM FLOW CONTROL INC32 citations89
USD707797SJun 24, 2014
Seal segment
SPM FLOW CONTROL INC15 citations83
US9964245B2May 8, 2018
Swivel joint with uniform ball bearing requirements
SPM FLOW CONTROL INC0 citations51
USD774495SDec 20, 2016
Electronic device holder
SPM FLOW CONTROL INC0 citations47