Inventor
MASSEY DOUGLAS H
US16 patents
⚠️ This page may combine multiple inventors who share the name “MASSEY DOUGLAS H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KELLEY CO INC
11 patentsUS4815918AMar 28, 1989
Vehicle restraint having a snubbing restraining member
KELLEY CO INC68 citations96
US6460212B2Oct 8, 2002
Dock leveler having an inflatable member
KELLEY CO INC26 citations92
US6216303B1Apr 17, 2001
Dock leveler having an improved support leg mechanism
KELLEY CO INC34 citations92
US6113337ASep 5, 2000
Vehicle restraint
KELLEY CO INC19 citations92
US5996156ADec 7, 1999
Dock leveler raised by deflating an inflatable member
KELLEY CO INC19 citations92
US5802650ASep 8, 1998
Dock leveler having an inflatable member
KELLEY CO INC22 citations92
US5475888ADec 19, 1995
Lip lifting mechanism for a dock leveler
KELLEY CO INC51 citations92
US5802651ASep 8, 1998
Dock leveler with a movable ramp and an inflatable member
KELLEY CO INC27 citations91
US5522108AJun 4, 1996
Dock leveler having a ramp movable to a raised position by inflation of an inflatable member, with a filler for occupying volume within the inflatable member
KELLEY CO INC36 citations91
US6371714B1Apr 16, 2002
Vehicle restraint and method for modifying the same
KELLEY CO INC14 citations82
US6643880B1Nov 11, 2003
Dock leveler
KELLEY CO INC10 citations72
SPX DOCK PRODUCTS INC
4 patentsUS7062813B2Jun 20, 2006
Support leg system and method for supporting a dock leveler
SPX DOCK PRODUCTS INC21 citations92
US6931686B2Aug 23, 2005
Support leg system and method for supporting a dock leveler
SPX DOCK PRODUCTS INC35 citations92
US6842930B2Jan 18, 2005
Run-off guard for a dock leveler
SPX DOCK PRODUCTS INC23 citations91
US6918151B2Jul 19, 2005
Support leg system and method for supporting a dock leveler
SPX DOCK PRODUCTS INC18 citations83