Inventor · disambiguated record
Wajih Kanjo
Also filed as: KANJO WAJIH
54 granted patents·874 citations·filing 1979–2014
99Inventor score
Files withWESTINGHOUSE AIR BRAKE CO33AMERICAN STANDARD INC7WABTEC HOLDING CORP6SOMMERFELD HOWARD3WESTINGHOUSE AIR BRAKE TECH CORP3
Top patents by PatentIndex Score
54 records- 0195US8006815B2Parking brake assembly for railway vehicle brake systemWABTEC HOLDING CORP·Filed 2008·Granted Aug 30, 2011·19 cites·18 claims
- 0295US5738416ARailway braking apparatus to effect a change in a handbrakeWESTINGHOUSE AIR BRAKE CO·Filed 1994·Granted Apr 14, 1998·47 cites·9 claims
- 0394US5701974ARailway hand brake apparatus with visual condition indicatorWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Dec 30, 1997·59 cites·2 claims
- 0493US4368648AHand brake for railroad carAMERICAN STANDARD INC·Filed 1980·Granted Jan 18, 1983·64 cites·6 claims
- 0591US8230985B2Parking brake assembly for railway vehicle brake systemSOMMERFELD HOWARD·Filed 2011·Granted Jul 31, 2012·8 cites·13 claims
- 0690US5069312AHandbrake for single-cylinder truck-mounted railway car brakeWESTINGHOUSE AIR BRAKE CO·Filed 1990·Granted Dec 3, 1991·74 cites·18 claims
- 0790US4662485ARailway vehicle brake rigging slack adjusterAMERICAN STANDARD INC·Filed 1985·Granted May 5, 1987·44 cites·22 claims
- 0887US8256584B2Parking brake assembly for railway vehicle brake systemSOMMERFELD HOWARD·Filed 2011·Granted Sep 4, 2012·6 cites·6 claims
- 0987US8136683B2Combination yoke and elastomeric draft gearSPRAINIS RONALD J·Filed 2008·Granted Mar 20, 2012·9 cites·23 claims
- 1086US8469464B2Parking brake assembly for railway vehicle brake systemSOMMERFELD HOWARD·Filed 2011·Granted Jun 25, 2013·5 cites·21 claims
- 1183US6761253B1Spring applied parking brake assemblyWESTINGHOUSE AIR BRAKE CO·Filed 2000·Granted Jul 13, 2004·20 cites·15 claims
- 1283US5549363ARailway braking apparatusWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Aug 27, 1996·23 cites·11 claims
- 1382US6196362B1Lock bolt with modified end cap for slack adjusterWESTINGHOUSE AIR BRAKE CO·Filed 1999·Granted Mar 6, 2001·47 cites·20 claims
- 1480US9540021B2Slack adjuster contaminant mitigation deviceWABTEC HOLDING CORP·Filed 2014·Granted Jan 10, 2017·5 cites·24 claims
- 1580US7419065B2Light weight high capacity friction draft gear assemblyWABTEC HOLDING CORP·Filed 2006·Granted Sep 2, 2008·9 cites·20 claims
- 1680US5586812ARailway braking apparatusWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Dec 24, 1996·19 cites·4 claims
- 1780US4645187ADraft gear assemblyAMERICAN STANDARD INC·Filed 1984·Granted Feb 24, 1987·38 cites·16 claims
- 1878US5271511ARemovable shaft member engageable in a ball portion of articulated bearing assemblyWESTINGHOUSE AIR BRAKE CO·Filed 1992·Granted Dec 21, 1993·40 cites·22 claims
- 1976US5558411ARailway braking apparatusWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Sep 24, 1996·16 cites·15 claims
- 2073US7802689B2Articulated coupling apparatusWABTEC HOLDING CORP·Filed 2007·Granted Sep 28, 2010·5 cites·21 claims
- 2171US8096431B2Combination yoke and elastomeric draft gear having a friction mechanismSPRAINIS RONALD J·Filed 2008·Granted Jan 17, 2012·2 cites·22 claims
- 2269US5219082AMale connection member for an articulated coupling arrangementWESTINGHOUSE AIR BRAKE CO·Filed 1990·Granted Jun 15, 1993·29 cites·19 claims
- 2366US7093694B2Release hold mechanism with gravity weighted indicator flagWABTEC HOLDING CORP·Filed 2003·Granted Aug 22, 2006·11 cites·20 claims
- 2465US4236424AHand brake for railway vehiclesAMERICAN STANDARD INC·Filed 1979·Granted Dec 2, 1980·18 cites·4 claims
- 2564US5558412ARailway braking apparatusWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Sep 24, 1996·10 cites·5 claims
- 2664US5172819ABearing assembly for an articulated coupling apparatus which connects adjacent ends of a pair of railway cars togetherWESTINGHOUSE AIR BRAKE CO·Filed 1992·Granted Dec 22, 1992·27 cites·21 claims
- 2763US6394233B1Apparatus for operating a vertical wheel hand brakeWESTINGHOUSE AIR BRAKE TECH CORP·Filed 2001·Granted May 28, 2002·9 cites·20 claims
- 2861US8381886B2Release holding mechanism for railcar hand brakeWABTEC HOLDING CORP·Filed 2008·Granted Feb 26, 2013·1 cites·16 claims
- 2958US5042393ALocking assembly to secure a bearing assembly in an articulated coupling apparatus for connecting adjacent ends of a pair of railway carsWESTINGHOUSE AIR BRAKE CO·Filed 1990·Granted Aug 27, 1991·19 cites·8 claims
- 3057US5065679AArticulated coupling apparatus for connecting adjacent ends of a pair of railway cars together in a semipermanent mannerWESTINGHOUSE AIR BRAKE CO·Filed 1990·Granted Nov 19, 1991·19 cites·46 claims
- 3155US5339930AConstant tension device for railway car handbrakeWESTINGHOUSE AIR BRAKE CO·Filed 1992·Granted Aug 23, 1994·16 cites·9 claims
- 3253US5590797AFriction clutch mechanism for high capacity draft gear assembly and method of reconditioning draft gear with such friction clutch mechanismWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Jan 7, 1997·21 cites·16 claims
- 3353US5131331AArticulated coupling apparatus for connecting adjacent ends of a pair of railway carsWESTINGHOUSE AIR BRAKE CO·Filed 1990·Granted Jul 21, 1992·17 cites·46 claims
- 3451US5558410ARailway braking apparatusWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Sep 24, 1996·6 cites·5 claims
- 3550US5105955ASpherical connector apparatus in an articulated slackless-type coupler arrangement used in a railway applicationWESTINGHOUSE AIR BRAKE CO·Filed 1990·Granted Apr 21, 1992·14 cites·43 claims
- 3648US5593214ARailway parking braking apparatusWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Jan 14, 1997·5 cites·13 claims
- 3746US5547089ASlackless drawbar assembly utilizing a ball and race assemblyWESTINGHOUSE AIR BRAKE CO·Filed 1994·Granted Aug 20, 1996·11 cites·26 claims
- 3845US6540049B1Gradual release mechanism for a railway car hand brakeWESTINGHOUSE AIR BRAKE TECH CORP·Filed 2000·Granted Apr 1, 2003·3 cites·20 claims
- 3945US5277323ALocking wedge assembly to removably secure a male connection member in an articulated-type coupling arrangementWESTINGHOUSE AIR BRAKE CO·Filed 1991·Granted Jan 11, 1994·11 cites·20 claims
- 4044US6619452B1Housing for a hand brake mechanismWESTINGHOUSE AIR BRAKE TECH CORP·Filed 2000·Granted Sep 16, 2003·1 cites·12 claims
- 4144US4683991AActuating means for a slack adjuster overtravel control mechanismAMERICAN STANDARD INC·Filed 1985·Granted Aug 4, 1987·9 cites·3 claims
- 4243US4647024AFrictional shock-absorbing method and apparatusAMERICAN STANDARD INC·Filed 1984·Granted Mar 3, 1987·7 cites·46 claims
- 4342US6230856B1Rod locking mechanism for compression slack adjusterWESTINGHOUSE AIR BRAKE CO·Filed 1999·Granted May 15, 2001·6 cites·15 claims
- 4442US5702012ARotary drawbar assembly for a railway freight carWESTINGHOUSE AIR BRAKE CO·Filed 1996·Granted Dec 30, 1997·9 cites·17 claims
- 4540US5558025ACombination wear and lubricating liner assembly for railway car truck bolster bowlWESTINGHOUSE AIR BRAKE CO·Filed 1995·Granted Sep 24, 1996·8 cites·20 claims
- 4636US5423275ACombination wear and lubricating liner assembly for railway car truck bolster bowlWESTINGHOUSE AIR BRAKE CO·Filed 1993·Granted Jun 13, 1995·5 cites·19 claims
- 4735US5167334AApparatus to provide versatility in securing male and female connection members of an articulated coupler to a center sill member of a railway carWESTINGHOUSE AIR BRAKE CO·Filed 1990·Granted Dec 1, 1992·5 cites·17 claims
- 4833US5139159AConnecting pin for articulated coupling arrangementWESTINGHOUSE AIR BRAKE CO·Filed 1990·Granted Aug 18, 1992·4 cites·38 claims
- 4933US5080243AAssembly mechanism for an articulated coupling systemWESTINGHOUSE AIR BRAKE CO·Filed 1990·Granted Jan 14, 1992·4 cites·40 claims
- 5033US4292721ACrimping device for use in assembling an overtravel spring assembly for slack adjusterAMERICAN STANDARD INC·Filed 1980·Granted Oct 6, 1981·4 cites·8 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Wajih Kanjo files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →