HV

Hamid Vahabzadeh

General Motors: 29 patents #378 of 18,328Top 3%
AE Avl Powertrain Engineering: 5 patents #6 of 32Top 20%
Overall (All Time): #102,596 of 4,157,543Top 3%
34
Patents All Time

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #TitleCo-InventorsDate
11346429 Two-speed transmission for electric vehicle including a pair of mechanical diodes that are individually engaged to provide two gear ratios Gregory Mordukhovich 2022-05-31
10955030 Two-speed transmission for electric vehicle including a pair of mechanical diodes that are individually engaged to provide two gear ratios Gregory Mordukhovich 2021-03-23
10711866 Two-speed transmission for electric vehicle Gregory Mordukhovich 2020-07-14
10208837 Two-speed transmission for electric vehicle Gregory Mordukhovich 2019-02-19
10012298 Torque converter for manual transmission and method of controlling the same 2018-07-03
8831848 Electro-hydraulic clutch system Kenneth K. Lang, Christian Rübsam 2014-09-09
8808135 Multiple speed transmission with a pump assisted launch device James B. Borgerson, James M. Hart, Scott H. Wittkopp 2014-08-19
8752519 Air assist start stop methods and systems Craig D. Marriott 2014-06-17
8649947 Torque transfer mechanism and method for controlling in a vehicle launch operation John C. Schultz, Vijay A. Neelakantan, Daryl A. Wilton 2014-02-11
8474586 Clutch actuation assembly with satellite pistons Daryl A. Wilton, James M. Hart 2013-07-02
8240443 Powertrain with engine oil-fed torque converter Scott H. Wittkopp, Edwin T. Grochowski 2012-08-14
8037989 Torque transmitting device actuation system using a piezoelectric pump Vijay A. Neelakantan, John C. Schultz, Bret M. Olson, Robert L. Moses 2011-10-18
7586083 Laser sensor apparatus and method for detecting transmission shaft torque Ayoub Chakari 2009-09-08
7437963 Power transmission Raymond J. Haka 2008-10-21
7402124 Control method and apparatus for a transmission clutch system Paul D. Stevenson 2008-07-22
7246673 Hybrid powertrain with engine valve deactivation Peter J. Savagian 2007-07-24
6637387 Variable valve actuating mechanism with magnetorheological fluid lost motion device Burak A. Gecim, Andrew L. Bartos 2003-10-28
6287227 Hydraulic control for a continuously variable transmission Norman K. Bucknor 2001-09-11
5878832 Steering apparatus for motor vehicle Leland N. Olgren, Madhu Raghavan 1999-03-09
5857931 Traveling chain derailer Norman K. Bucknor, Erkki Koivunen 1999-01-12
5762575 Lock mechanism for a traveling chain Andrew L. Bartos, Norman K. Bucknor 1998-06-09
5246406 Torque transmission system for connecting parallel shafts 1993-09-21
5234380 Multi-speed torque transmission system for connecting parallel shafts 1993-08-10
5234381 Open-ended chain for a traveling chain transmission having reverse bend prevention Erkki Koivunen 1993-08-10
5201688 Torque transmission system for connecting parallel shafts 1993-04-13