Inventor
BURKE MICHAEL K
US53 patents
⚠️ This page may combine multiple inventors who share the name “BURKE MICHAEL K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZEFTEK INC
25 patentsUS7128508B2Oct 31, 2006
Supplemental restraint for auto-rack railroad car restraint system
ZEFTEK INC38 citations96
US6926480B2Aug 9, 2005
Supplemental restraint for auto-rack railroad car restraint system
ZEFTEK INC41 citations96
US5630519AMay 20, 1997
Plastic knuckle pin
ZEFTEK INC45 citations96
US5239933AAug 31, 1993
Auto rack panel gap sealer and bumper
ZEFTEK INC50 citations96
US5145076ASep 8, 1992
Plastic knuckle pin with annular relief grooves for preventing pin failure due to fatigue
ZEFTEK INC60 citations96
US7150592B2Dec 19, 2006
Supplemental restraint for auto-rack railroad car restraint system
ZEFTEK INC33 citations93
US7004696B2Feb 28, 2006
Supplemental restraint for auto-rack railroad car restraint system
ZEFTEK INC33 citations93
US6708625B1Mar 23, 2004
Greaseless door lock
ZEFTEK INC33 citations93
US6561740B1May 13, 2003
Auto rack railroad car panel bumper guard
ZEFTEK INC33 citations93
US6553917B1Apr 29, 2003
Auto rack railroad car bumper guard device
ZEFTEK INC28 citations93
US5908001AJun 1, 1999
Center plate assembly bearing liner
ZEFTEK INC20 citations93
US5579697ADec 3, 1996
Auto rack panel gap sealing device
ZEFTEK INC35 citations93
US4913062AApr 3, 1990
Segmented sliding sill wear plate
ZEFTEK INC25 citations93
US5975818ANov 2, 1999
Grating lift pad
ZEFTEK INC22 citations92
US5960980AOct 5, 1999
Vented hatch cover
ZEFTEK INC38 citations92
US5694859ADec 9, 1997
Hole covering device for an auto rack car side wall panel
ZEFTEK INC20 citations92
US5415108AMay 16, 1995
Auto rack panel gap sealer
ZEFTEK INC30 citations92
US6367590B1Apr 9, 2002
Cushioned brake beam wear plate
ZEFTEK INC15 citations84
US4784068ANov 15, 1988
Segmented sliding sill wear plate
ZEFTEK INC23 citations82
US6527311B1Mar 4, 2003
Door lock for a railroad car
ZEFTEK INC13 citations79
US6257150B1Jul 10, 2001
Rapid discharge railcar door
ZEFTEK INC14 citations74
US6136240AOct 24, 2000
Center plate assembly bearing liner
ZEFTEK INC11 citations74
US5736088AApr 7, 1998
Method of making a plastic knuckle pin
ZEFTEK INC12 citations74
US5687650ANov 18, 1997
Gap closing device for closing gaps in auto rack car side walls
ZEFTEK INC17 citations74
US4795007AJan 3, 1989
Brake rod protector
ZEFTEK INC11 citations74
STANDARD CAR TRUCK CO
17 patentsUS7976255B2Jul 12, 2011
Auto-rack railroad car vehicle wheel chock
STANDARD CAR TRUCK CO27 citations96
US8961084B1Feb 24, 2015
Auto-rack railroad car vehicle restraint apparatus
STANDARD CAR TRUCK CO12 citations93
USD852716SJul 2, 2019
Autorack railroad car chock body
STANDARD CAR TRUCK CO6 citations84
US9863172B2Jan 9, 2018
Railroad car lubricant free door lock
STANDARD CAR TRUCK CO6 citations84
US9469235B2Oct 18, 2016
Auto-rack railroad car vehicle restraint apparatus
STANDARD CAR TRUCK CO6 citations84
US9321389B2Apr 26, 2016
Auto-rack railroad car vehicle restraint apparatus
STANDARD CAR TRUCK CO7 citations84
US8985919B2Mar 24, 2015
Auto-rack railroad car vehicle wheel chock
STANDARD CAR TRUCK CO3 citations74
USD807807SJan 16, 2018
Autorack railroad car chock body
STANDARD CAR TRUCK CO3 citations73
US9718483B2Aug 1, 2017
Auto-rack railroad car vehicle restraint apparatus
STANDARD CAR TRUCK CO3 citations73
USD780628SMar 7, 2017
Auto rack railroad car restraint end cap
STANDARD CAR TRUCK CO3 citations73
USD750005SFeb 23, 2016
Autorack railroad car chock body
STANDARD CAR TRUCK CO3 citations73
US9592760B2Mar 14, 2017
Auto-rack railroad car vehicle wheel chock
STANDARD CAR TRUCK CO1 citations63
USD772105SNov 22, 2016
Auto rack railroad car restraint clip
STANDARD CAR TRUCK CO2 citations63
USD742788SNov 10, 2015
Railroad car coupler carrier wear protector
STANDARD CAR TRUCK CO2 citations63
US10308160B2Jun 4, 2019
Auto-rack railroad car vehicle restraint apparatus
STANDARD CAR TRUCK CO0 citations52
US10252732B2Apr 9, 2019
Auto-rack railroad car vehicle restraint apparatus
STANDARD CAR TRUCK CO0 citations52
US9168857B2Oct 27, 2015
Auto-rack railroad car vehicle wheel chock
STANDARD CAR TRUCK CO0 citations52
ANDERSON JOHN D
4 patentsUS8152424B2Apr 10, 2012
Auto-rack railroad car vehicle wheel chock
ANDERSON JOHN D9 citations93
US8434977B2May 7, 2013
Auto-rack railroad car vehicle wheel chock
ANDERSON JOHN D5 citations84
US8506217B2Aug 13, 2013
Auto-rack railroad car vehicle wheel chock
ANDERSON JOHN D3 citations74
US8419326B2Apr 16, 2013
Auto-rack railroad car vehicle wheel chock
ANDERSON JOHN D3 citations74
(unassigned)
1 patentEAST DAVID M
1 patentZEFTEC INC
1 patentTRANSP IP HOLDINGS LLC
1 patentShowing the top 50 of 53 patents by PatentIndex Score.