HS

Howard Sommerfeld

WH Wabtec Holding: 28 patents #2 of 164Top 2%
WB Westinghouse Air Brake: 13 patents #36 of 220Top 20%
AS American Standard: 1 patents #290 of 558Top 55%
SA Sharma & Associates: 1 patents #3 of 10Top 30%
📍 Oak Forest, IL: #1 of 116 inventorsTop 1%
🗺 Illinois: #1,032 of 84,256 inventorsTop 2%
Overall (All Time): #68,336 of 4,157,543Top 2%
44
Patents All Time

Issued Patents All Time

Showing 26–44 of 44 patents

Patent #TitleCo-InventorsDate
7216940 Adaptation of TMX for axle motion III truck application 2007-05-15
7175036 Long travel high capacity friction draft gear assembly Michael E. Ring 2007-02-13
7156471 Two-stage cylinder for applying automatic set and release hand brake 2007-01-02
7097055 Long buff short draft travel draft gear for use in a 24.625 inch pocket 2006-08-29
7093694 Release hold mechanism with gravity weighted indicator flag Staffan Brandt, Scott Natschke, Wajih Kanjo 2006-08-22
7021430 Release hold mechanism for a hand brake having a quick release mechanism Michael E. Ring 2006-04-04
7011190 Hand brake assembly for an ankle motion III truck bogie Michael J. Moriarity, David C. Brabb, Anand Prabhakaran 2006-03-14
6981599 High capacity shear mechanism Curtiss A. Grau 2006-01-03
6923331 High capacity draft gear 2005-08-02
6702073 Hand brake lever interface for single-cylinder truck-mounted railway car brake 2004-03-09
6325465 Quick release mechanism for a railway car hand brake Angelo M. Labriola, Everett G. Ring 2001-12-04
6298749 Jointed hand brake release handle W. Kurt Stroer, David C. Brabb 2001-10-09
5529194 Variable angle friction clutch mechanism for a draft gear assembly Walter H. Merker, Jr. 1996-06-25
5501347 Variable angle friction clutch mechanism for a draft gear assembly Walter H. Merker, Jr. 1996-03-26
5495957 Variable angle friction clutch mechanism for a draft gear assembly Walter H. Merker, Jr. 1996-03-05
5452814 Variable angle friction clutch mechanism for a draft gear assembly Walter H. Merker, Jr. 1995-09-26
5443170 Variable angle friction clutch mechanism for a draft gear assembly Walter H. Merker, Jr. 1995-08-22
5152409 Draft gear assembly 1992-10-06
4645187 Draft gear assembly Wajih Kanjo 1987-02-24