Inventor
BURGMAN BORIS
US19 patents
⚠️ This page may combine multiple inventors who share the name “BURGMAN BORIS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GM GLOBAL TECH OPERATIONS INC
8 patentsUS8758179B2Jun 24, 2014
Electrically-variable transmission for a vehicle
GM GLOBAL TECH OPERATIONS INC7 citations81
US8628449B1Jan 14, 2014
Low mass planetary carrier and clutch housing
GM GLOBAL TECH OPERATIONS INC11 citations77
US9261186B2Feb 16, 2016
Rotating clutch pack assembly
GM GLOBAL TECH OPERATIONS INC5 citations73
US8353797B2Jan 15, 2013
Lubrication system for a planetary gear set
GM GLOBAL TECH OPERATIONS INC5 citations64
US9080650B2Jul 14, 2015
Multi-speed transmission
GM GLOBAL TECH OPERATIONS INC2 citations61
US8343002B1Jan 1, 2013
Rotating planetary gear carrier lubrication device
GM GLOBAL TECH OPERATIONS INC3 citations58
US9033636B2May 19, 2015
Balanced snap ring
GM GLOBAL TECH OPERATIONS INC3 citations56
US8366557B2Feb 5, 2013
Engine drive plate connection
GM GLOBAL TECH OPERATIONS INC0 citations51
GM GLOBAL TECH OPERATIONS LLC
5 patentsUS9702450B2Jul 11, 2017
Continuously variable transmission with direction selection mechanism
GM GLOBAL TECH OPERATIONS LLC3 citations71
US11525471B2Dec 13, 2022
Snap ring retention
GM GLOBAL TECH OPERATIONS LLC0 citations62
US9982723B2May 29, 2018
Rotating clutch pack assembly
GM GLOBAL TECH OPERATIONS LLC0 citations52
US10486517B2Nov 26, 2019
Concentric bridge gear system
GM GLOBAL TECH OPERATIONS LLC0 citations41
US11413947B2Aug 16, 2022
Bearing and shaft arrangement for electric drive unit
GM GLOBAL TECH OPERATIONS LLC0 citations38
PORTELL PATRICK S
3 patentsUS8105196B2Jan 31, 2012
Automatic transmission gear and clutch arrangement
PORTELL PATRICK S10 citations82
US8628442B2Jan 14, 2014
Automatic transmission gear and clutch arrangement
PORTELL PATRICK S1 citations61
US8262526B2Sep 11, 2012
Automatic transmission gear and clutch arrangement
PORTELL PATRICK S4 citations61