WK

Wajih Kanjo

WB Westinghouse Air Brake: 36 patents #1 of 220Top 1%
WH Wabtec Holding: 11 patents #8 of 164Top 5%
AS American Standard: 7 patents #42 of 558Top 8%
SI Sargent Industries: 4 patents #2 of 19Top 15%
📍 Homer Glen, IL: #2 of 105 inventorsTop 2%
🗺 Illinois: #691 of 84,256 inventorsTop 1%
Overall (All Time): #47,717 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 1–25 of 54 patents

Patent #TitleCo-InventorsDate
9540021 Slack adjuster contaminant mitigation device Shaun T. Whalen, Peter Paul Gregar, Scott Natschke, Michael Koziol 2017-01-10
8469464 Parking brake assembly for railway vehicle brake system Howard Sommerfeld, Jonathon Marlow, Michael J. Moriarity, David J. Meyer, Bradley Anderson +1 more 2013-06-25
8381886 Release holding mechanism for railcar hand brake 2013-02-26
8256584 Parking brake assembly for railway vehicle brake system Howard Sommerfeld, Jonathon Marlow, Michael J. Moriarity, David J. Meyer, Bradley Anderson +1 more 2012-09-04
8230985 Parking brake assembly for railway vehicle brake system Howard Sommerfeld, Jonathon Marlow, Michael J. Moriarity, David J. Meyer, Bradley Anderson +1 more 2012-07-31
8136683 Combination yoke and elastomeric draft gear Ronald J. Sprainis, Michael E. Ring, Bradley Anderson, Jonathon Marlow, David J. Meyer +1 more 2012-03-20
8096431 Combination yoke and elastomeric draft gear having a friction mechanism Ronald J. Sprainis, Michael E. Ring, Bradley Anderson, Jonathon Marlow, David J. Meyer +1 more 2012-01-17
8006815 Parking brake assembly for railway vehicle brake system Howard Sommerfeld, Jonathon Marlow, Michael J. Moriarity, David J. Meyer, Bradley Anderson +1 more 2011-08-30
7802689 Articulated coupling apparatus 2010-09-28
7419065 Light weight high capacity friction draft gear assembly Howard Sommerfeld 2008-09-02
7093694 Release hold mechanism with gravity weighted indicator flag Staffan Brandt, Howard Sommerfeld, Scott Natschke 2006-08-22
6761253 Spring applied parking brake assembly Scott Natschke 2004-07-13
6619452 Housing for a hand brake mechanism David C. Brabb 2003-09-16
6540049 Gradual release mechanism for a railway car hand brake Michael E. Ring, David C. Brabb, Alfonso Barajas 2003-04-01
6394233 Apparatus for operating a vertical wheel hand brake Michael E. Ring, Scott Natschke 2002-05-28
6230856 Rod locking mechanism for compression slack adjuster 2001-05-15
6196362 Lock bolt with modified end cap for slack adjuster David W. Daugherty, Jr., Michael J. Moriarity 2001-03-06
5738416 Railway braking apparatus to effect a change in a handbrake Eric G. Smith, Thomas J. Demoise, Michael Girotti, Thomas McCabe, Charles B. Fessler +1 more 1998-04-14
5701974 Railway hand brake apparatus with visual condition indicator Eric G. Smith, Thomas J. Demoise, Michael Girotti, Thomas McCabe, Charles B. Fessler +1 more 1997-12-30
5702012 Rotary drawbar assembly for a railway freight car 1997-12-30
5593214 Railway parking braking apparatus Eric G. Smith, Thomas J. Demoise, Michael Girotti, Thomas McCabe, Charles B. Fessler +1 more 1997-01-14
5590797 Friction clutch mechanism for high capacity draft gear assembly and method of reconditioning draft gear with such friction clutch mechanism James L. Duffy, David W. Daugherty, Jr., Rudi E. George 1997-01-07
5586812 Railway braking apparatus Eric G. Smith, Thomas J. Demoise, Michael Girotti, Thomas McCabe, Charles B. Fessler +1 more 1996-12-24
5584407 Interlocking slackless drawbar assembly for railway freight car and an interlocking mechanism therefor 1996-12-17
5558025 Combination wear and lubricating liner assembly for railway car truck bolster bowl 1996-09-24