P

Inventor

SOMMERFELD HOWARD

US34 patents
⚠️ This page may combine multiple inventors who share the name “SOMMERFELD HOWARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WABTEC HOLDING CORP

22 patents
US8006815B2Aug 30, 2011

Parking brake assembly for railway vehicle brake system

WABTEC HOLDING CORP19 citations92
US7802662B2Sep 28, 2010

Slack adjuster for railway vehicle brake rigging

WABTEC HOLDING CORP22 citations89
US7419065B2Sep 2, 2008

Light weight high capacity friction draft gear assembly

WABTEC HOLDING CORP9 citations84
US7264130B2Sep 4, 2007

Housing for long travel high capacity friction draft gear assembly

WABTEC HOLDING CORP10 citations84
US7258243B2Aug 21, 2007

Arrangement for preventing energy absorbing material degradation on draft gears

WABTEC HOLDING CORP12 citations84
US7156471B2Jan 2, 2007

Two-stage cylinder for applying automatic set and release hand brake

WABTEC HOLDING CORP10 citations84
US7093694B2Aug 22, 2006

Release hold mechanism with gravity weighted indicator flag

WABTEC HOLDING CORP11 citations82
US7467812B2Dec 23, 2008

Brake hose lifting apparatus

WABTEC HOLDING CORP5 citations74
US7216940B2May 15, 2007

Adaptation of TMX for axle motion III truck application

WABTEC HOLDING CORP8 citations74
US7588154B2Sep 15, 2009

Two piece draft gear housing having an integral yoke

WABTEC HOLDING CORP3 citations63
US7540387B2Jun 2, 2009

Draft gear assembly

WABTEC HOLDING CORP3 citations63
US7487695B2Feb 10, 2009

Release holding mechanism for ASR hand brake

WABTEC HOLDING CORP6 citations63
US7461869B2Dec 9, 2008

Air brake hose coupling with locking device

WABTEC HOLDING CORP5 citations63
US7311215B2Dec 25, 2007

Positional variable orifice pin for hydraulic pressure control in a draft gear

WABTEC HOLDING CORP4 citations63
US7287655B2Oct 30, 2007

Energy dissipating elastomer damper

WABTEC HOLDING CORP2 citations63
US7281635B2Oct 16, 2007

Friction draft gear housing having a removable end wall

WABTEC HOLDING CORP2 citations63
US7175036B2Feb 13, 2007

Long travel high capacity friction draft gear assembly

WABTEC HOLDING CORP5 citations63
US7467724B2Dec 23, 2008

Locking arrangement for a bearing assembly of a male connection member for an articulated coupling apparatus

WABTEC HOLDING CORP6 citations60
US7461867B2Dec 9, 2008

Brake hose lifting apparatus

WABTEC HOLDING CORP0 citations52
US7448651B2Nov 11, 2008

Brake hose lifting apparatus

WABTEC HOLDING CORP0 citations52
US7384072B2Jun 10, 2008

Brake hose lifting apparatus

WABTEC HOLDING CORP0 citations52
US7900785B2Mar 8, 2011

Taper under tapered plate to increase side force on the movable plate

WABTEC HOLDING CORP0 citations31

WESTINGHOUSE AIR BRAKE TECH CORP

5 patents

SOMMERFELD HOWARD

4 patents

MEYER DAVID

2 patents

WESTINGHOUSE AIR BRAKE CO

1 patent