P

Inventor

ALEXANDER JAMES C

CA92 patents
⚠️ This page may combine multiple inventors who share the name “ALEXANDER JAMES C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNITED DOMINION IND INC

20 patents
US6781516B2Aug 24, 2004

Master control panel for loading dock equipment

UNITED DOMINION IND INC92 citations96
US6125491AOct 3, 2000

Counterbalance for mechanical dock leveler

UNITED DOMINION IND INC77 citations96
US6082952AJul 4, 2000

Automatic wheel chock system

UNITED DOMINION IND INC81 citations96
US5934857AAug 10, 1999

Automatic wheel chock system

UNITED DOMINION IND INC58 citations96
US5832554ANov 10, 1998

Dock leveler with cam assisted lip extension

UNITED DOMINION IND INC60 citations96
US5743697AApr 28, 1998

Automatic wheel chock

UNITED DOMINION IND INC57 citations96
US5586355ADec 24, 1996

Safety device for a vertically stored dock leveler

UNITED DOMINION IND INC73 citations96
US5831540ANov 3, 1998

Control system for loading docks

UNITED DOMINION IND INC93 citations95
US6769149B2Aug 3, 2004

Multi-position releasable lip latch for a dock leveler

UNITED DOMINION IND INC30 citations93
US6370719B1Apr 16, 2002

Dock leveler lip construction

UNITED DOMINION IND INC25 citations93
US6123496ASep 26, 2000

Automatic wheel chock

UNITED DOMINION IND INC36 citations93
US6035475AMar 14, 2000

Maintenance prop for a dock leveler

UNITED DOMINION IND INC33 citations93
US6006389ADec 28, 1999

Loading dock with adjustable bumpers

UNITED DOMINION IND INC47 citations93
US5881414AMar 16, 1999

Loading dock with adjustable bumpers

UNITED DOMINION IND INC35 citations93
US5826291AOct 27, 1998

Electrically actuated dock leveler

UNITED DOMINION IND INC26 citations93
US5813072ASep 29, 1998

Automatic safety legs for dock leveler

UNITED DOMINION IND INC32 citations93
US5774920AJul 7, 1998

Electrically actuated dock leveler

UNITED DOMINION IND INC27 citations93
US5586356ADec 24, 1996

Automatic return to dock mechanism for mechanical dock leveler

UNITED DOMINION IND INC22 citations93
US5553343ASep 10, 1996

Dock leveler with folding barrier lip

UNITED DOMINION IND INC42 citations93
US5505575AApr 9, 1996

Pit mounted retractable vehicle restraint

UNITED DOMINION IND INC43 citations93

SERCO CORP

19 patents

4FRONT ENGINEERED SOLUTIONS IN

4 patents

SPX CORP

3 patents

SPX DOCK PRODUCTS INC

2 patents

4FRONT ENGINEERING SOLUTIONS I

1 patent

MAXTOR CORP

1 patent

Showing the top 50 of 92 patents by PatentIndex Score.