Inventor
LEIST ALAN R
US20 patents
⚠️ This page may combine multiple inventors who share the name “LEIST ALAN R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CLOPAY BUILDING PROD CO
6 patentsUS5636678AJun 10, 1997
Counterbalancing mechanism for an overhead door
CLOPAY BUILDING PROD CO64 citations96
US5632063AMay 27, 1997
Counterbalancing mechanism for an overhead door
CLOPAY BUILDING PROD CO62 citations92
US5555923ASep 17, 1996
Sectional door having multiple piece panel sections
CLOPAY BUILDING PROD CO64 citations92
US5709259AJan 20, 1998
Multiple section modular door and joint structure
CLOPAY BUILDING PROD CO47 citations90
US7861763B2Jan 4, 2011
Method of making an optimized overhead sectional door and associated door panel
CLOPAY BUILDING PROD CO18 citations83
US8893765B2Nov 25, 2014
System for unevenly weighted sectional doors
CLOPAY BUILDING PROD CO0 citations52
PIPP MOBILE SYSTEMS INC
5 patentsUSD320902SOct 22, 1991
Track for a mobile shelving system
PIPP MOBILE SYSTEMS INC34 citations92
US4911507AMar 27, 1990
Mobile storage system with anti-tip construction
PIPP MOBILE SYSTEMS INC37 citations92
US5024164AJun 18, 1991
Mobile storage system with improved driving assemblies
PIPP MOBILE SYSTEMS INC21 citations81
US4944231AJul 31, 1990
Mobile storage system with driving assemblies
PIPP MOBILE SYSTEMS INC21 citations81
US4771901ASep 20, 1988
Mobile shelving carriage
PIPP MOBILE SYSTEMS INC20 citations75