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Inventor

Wajih Kanjo

Inventor
Lockport, IL, US

Overview

54→
Patents
1980–2017
Patent span
Performing operations
Primary field (CPC B)

Patents· 54 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B61Gprimary
B61GCouplings22%
B61HBrakes or other retarding devices specially adapted for rail vehicles22%
B60TVehicle brake control systems or parts thereof17%
Y10TTechnical subjects covered by former us classification17%
B61FRail vehicle suspensions, e.g. underframes, bogies or arrangements of wheel axles5%
F16DCouplings for transmitting rotation5%
B21FWorking or processing of metal wire2%
B29CShaping or joining of plastics2%
B29LIndexing scheme associated with subclass b29c, relating to particular articles2%
B23PMetal-working not otherwise provided for1%
PatentTitleYear
9,540,021'Slack adjuster contaminant mitigation device'20178,469,464'Parking brake assembly for railway vehicle brake system'20138,381,886'Release holding mechanism for railcar hand brake'20138,256,584'Parking brake assembly for railway vehicle brake system'20128,230,985'Parking brake assembly for railway vehicle brake system'20128,136,683'Combination yoke and elastomeric draft gear'20128,096,431'Combination yoke and elastomeric draft gear having a friction mechanism'20128,006,815'Parking brake assembly for railway vehicle brake system'20117,802,689'Articulated coupling apparatus'20107,419,065'Light weight high capacity friction draft gear assembly'20087,093,694'Release hold mechanism with gravity weighted indicator flag'20066,761,253'Spring applied parking brake assembly'20046,619,452'Housing for a hand brake mechanism'20036,540,049'Gradual release mechanism for a railway car hand brake'20036,394,233'Apparatus for operating a vertical wheel hand brake'20026,230,856'Rod locking mechanism for compression slack adjuster'20016,196,362'Lock bolt with modified end cap for slack adjuster'20015,738,416'Railway braking apparatus to effect a change in a handbrake'19985,702,012'Rotary drawbar assembly for a railway freight car'19975,701,974'Railway hand brake apparatus with visual condition indicator'19975,593,214'Railway parking braking apparatus'19975,590,797'Friction clutch mechanism for high capacity draft gear assembly and method of reconditioning draft gear with such friction clutch mechanism'19975,586,812'Railway braking apparatus'19965,584,407'Interlocking slackless drawbar assembly for railway freight car and an interlocking mechanism therefor'19965,558,410'Railway braking apparatus'19965,558,412'Railway braking apparatus'19965,558,411'Railway braking apparatus'19965,558,025'Combination wear and lubricating liner assembly for railway car truck bolster bowl'19965,549,363'Railway braking apparatus'19965,547,089'Slackless drawbar assembly utilizing a ball and race assembly'19965,462,179'Slackless drawbar assembly using a ball and race assembly at each end of the drawbar'19955,423,275'Combination wear and lubricating liner assembly for railway car truck bolster bowl'19955,339,930'Constant tension device for railway car handbrake'19945,277,323'Locking wedge assembly to removably secure a male connection member in an articulated-type coupling arrangement'19945,271,511'Removable shaft member engageable in a ball portion of articulated bearing assembly'19935,219,082'Male connection member for an articulated coupling arrangement'19935,172,819'Bearing assembly for an articulated coupling apparatus which connects adjacent ends of a pair of railway cars together'19925,167,334'Apparatus to provide versatility in securing male and female connection members of an articulated coupler to a center sill member of a railway car'19925,167,333'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'19925,139,159'Connecting pin for articulated coupling arrangement'19925,131,331'Articulated coupling apparatus for connecting adjacent ends of a pair of railway cars'19925,115,927'Strengthening mechanism for a female articulated coupling member for providing additional strength in response to loads exerted at bearing assembly connection shaft'19925,105,955'Spherical connector apparatus in an articulated slackless-type coupler arrangement used in a railway application'19925,080,243'Assembly mechanism for an articulated coupling system'19925,069,312'Handbrake for single-cylinder truck-mounted railway car brake'19915,065,679'Articulated coupling apparatus for connecting adjacent ends of a pair of railway cars together in a semipermanent manner'19915,042,393'Locking assembly to secure a bearing assembly in an articulated coupling apparatus for connecting adjacent ends of a pair of railway cars'19914,683,991'Actuating means for a slack adjuster overtravel control mechanism'19874,662,485'Railway vehicle brake rigging slack adjuster'19874,647,024'Frictional shock-absorbing method and apparatus'19874,645,187'Draft gear assembly'19874,368,648'Hand brake for railroad car'19834,292,721'Crimping device for use in assembling an overtravel spring assembly for slack adjuster'19814,236,424'Hand brake for railway vehicles'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1987Patents assigned to AMERICAN STANDARD INC (7)· patent assignee history
1980–1987Based in Midlothian, IL, US· patent location history
1991–2004Patents assigned to WESTINGHOUSE AIR BRAKE CO (33)· patent assignee history
1991–2013Based in Lockport, IL, US· patent location history
2006–2017Patents assigned to WABTEC HOLDING CORP (11)· patent assignee history
2012–2013Patents assigned to KANJO WAJIH (6)· patent assignee history
2012–2013Patents assigned to ANDERSON BRADLEY (5)· patent assignee history
2012–2017Based in Homer Glen, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WESTINGHOUSE AIR BRAKE CO331991–2004
WABTEC HOLDING CORP112006–2017
AMERICAN STANDARD INC71980–1987
KANJO WAJIHself62012–2013
ANDERSON BRADLEY52012–2013
Locations
LocationPatentsSpan
Lockport, Illinois, US431991–2013
Midlothian, Illinois, US71980–1987
Homer Glen, Illinois, US42012–2017