Inventor
ANDERSON JOHN D
US121 patents
⚠️ This page may combine multiple inventors who share the name “ANDERSON JOHN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZEFTEK INC
16 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
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
US5924654AJul 20, 1999
Railroad car sensing system
ZEFTEK INC36 citations93
US5669745ASep 23, 1997
Bumper system for an intermodal auto trailer
ZEFTEK INC41 citations93
US6050199AApr 18, 2000
Hatch cover sealing device
ZEFTEK INC41 citations92
US5960980AOct 5, 1999
Vented hatch cover
ZEFTEK INC38 citations92
USD497838SNov 2, 2004
Railroad car brake beam wear plate having one or more tapered walls
ZEFTEK INC13 citations84
US6296135B1Oct 2, 2001
Vent-on-demand hatch cover
ZEFTEK INC17 citations83
USD541193SApr 24, 2007
Freight railroad car reflector
ZEFTEK INC11 citations82
US6792874B1Sep 21, 2004
Railroad car center plate assembly conductive liner
ZEFTEK INC13 citations77
STANDARD CAR TRUCK CO
10 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
US8033768B2Oct 11, 2011
Railroad car coil restraint system
STANDARD CAR TRUCK CO13 citations93
US8011865B2Sep 6, 2011
Railroad car coil restraint system
STANDARD CAR TRUCK CO15 citations93
US7784150B2Aug 31, 2010
Railroad car door pivot assembly
STANDARD CAR TRUCK CO22 citations93
USD613231SApr 6, 2010
Low profile vehicle wheel chock body
STANDARD CAR TRUCK CO41 citations93
USD852716SJul 2, 2019
Autorack railroad car chock body
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
ANDERSON JOHN D
7 patentsUS8152424B2Apr 10, 2012
Auto-rack railroad car vehicle wheel chock
ANDERSON JOHN D9 citations93
US8096738B2Jan 17, 2012
Auto-rack railroad car vehicle wheel chock
ANDERSON JOHN D15 citations93
US4319998AMar 16, 1982
Monitor for an effluent disposal system
ANDERSON JOHN D41 citations93
US8434977B2May 7, 2013
Auto-rack railroad car vehicle wheel chock
ANDERSON JOHN D5 citations84
US8308409B2Nov 13, 2012
Railroad car coil restraint system
ANDERSON JOHN D8 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
TEXAS SAMPLING INC
3 patentsGEN ELECTRIC
3 patentsENVIRO KLEAN SOILS INC
2 patentsCAMCO INC
1 patentMILLIKEN & CO
1 patentTEXAS SAMPLING CO
1 patentENERDYNE CORP
1 patentSCIENTIFIC ATLANTA
1 patentZEFTEC INC
1 patentBOEING CO
1 patentPEACH WALTER J
1 patentTRANSP IP HOLDINGS LLC
1 patentShowing the top 50 of 121 patents by PatentIndex Score.