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 26–50 of 54 patents

Patent #TitleCo-InventorsDate
5558025 Combination wear and lubricating liner assembly for railway car truck bolster bowl 1996-09-24
5558410 Railway braking apparatus Eric G. Smith, Thomas J. Demoise, Michael Girotti, Thomas McCabe, Charles B. Fessler +1 more 1996-09-24
5558411 Railway braking apparatus Eric G. Smith, Thomas J. Demoise, Michael Girotti, Thomas McCabe, Charles B. Fessler +1 more 1996-09-24
5549363 Railway braking apparatus Eric G. Smith, Thomas J. Demoise, Michael Girotti, Thomas McCabe, Charles B. Fessler +1 more 1996-08-27
5547089 Slackless drawbar assembly utilizing a ball and race assembly David W. Daugherty Jr., Michael G. Hawryszkow 1996-08-20
5462179 Slackless drawbar assembly using a ball and race assembly at each end of the drawbar David W. Daugherty, Jr., Michael G. Hawryszkow 1995-10-31
5423275 Combination wear and lubricating liner assembly for railway car truck bolster bowl 1995-06-13
5339930 Constant tension device for railway car handbrake Gary M. Sich 1994-08-23
5277323 Locking wedge assembly to removably secure a male connection member in an articulated-type coupling arrangement William D. Wallace, Edward G. Lynch, Jr., David W. Daugherty, Jr., Michael G. Hawryszkow 1994-01-11
5271511 Removable shaft member engageable in a ball portion of articulated bearing assembly David W. Daugherty, Jr., Michael G. Hawryszkow 1993-12-21
5219082 Male connection member for an articulated coupling arrangement David W. Daugherty, Jr., Michael G. Hawryszkow, William D. Wallace, Edward G. Lynch, Jr. 1993-06-15
5172819 Bearing assembly for an articulated coupling apparatus which connects adjacent ends of a pair of railway cars together David W. Daugherety, Jr., Michael G. Hawryszkow, William D. Wallace, Edward G. Lynch, Jr. 1992-12-22
5167333 Apparatus to prevent detrimental extraneous foreign matter from entering a cavity formed at an outer end of a female connection member of an articulated coupling Michael G. Hawryszkow, William D. Wallace, David W. Daugherty, Jr. 1992-12-01
5167334 Apparatus to provide versatility in securing male and female connection members of an articulated coupler to a center sill member of a railway car Michael G. Hawryszkow, William D. Wallace, David W. Daugherty, Jr. 1992-12-01
5139159 Connecting pin for articulated coupling arrangement David W. Daugherty, Jr., Michael G. Hawryszkow, William D. Wallace, Edward G. Lynch, Jr. 1992-08-18
5131331 Articulated coupling apparatus for connecting adjacent ends of a pair of railway cars Edward G. Lynch, Jr., David W. Daugherty, Jr., Michael G. Hawryszkow, William D. Wallace 1992-07-21
5115927 Strengthening mechanism for a female articulated coupling member for providing additional strength in response to loads exerted at bearing assembly connection shaft William D. Wallace, Edward G. Lynch, Jr., David W. Daugherty, Jr., Michael G. Hawryszkow 1992-05-26
5105955 Spherical connector apparatus in an articulated slackless-type coupler arrangement used in a railway application Michael G. Hawryszkow, William D. Wallace, Edward G. Lynch, Jr., David W. Daugherty, Jr. 1992-04-21
5080243 Assembly mechanism for an articulated coupling system Edward G. Lynch, Jr., David W. Daugherty, Jr., Michael G. Hawryszkow, William D. Wallace 1992-01-14
5069312 Handbrake for single-cylinder truck-mounted railway car brake Mark S. Krampitz, Michael J. Moriarity 1991-12-03
5065679 Articulated coupling apparatus for connecting adjacent ends of a pair of railway cars together in a semipermanent manner William D. Wallace, Edward G. Lynch, Jr., David W. Daugherty, Jr., Michael G. Hawryszkow 1991-11-19
5042393 Locking assembly to secure a bearing assembly in an articulated coupling apparatus for connecting adjacent ends of a pair of railway cars Michael G. Hawryszkow, William D. Wallace, Edward G. Lynch, Jr., David W. Daugherty, Jr. 1991-08-27
4683991 Actuating means for a slack adjuster overtravel control mechanism 1987-08-04
4662485 Railway vehicle brake rigging slack adjuster Richard J. Housman 1987-05-05
4647024 Frictional shock-absorbing method and apparatus William D. Wallace 1987-03-03