Assignee
POLYDRAIN INC
US·6 granted patents·365 citations·filing 1983–1986
Top patents by PatentIndex Score
6 records- 0192US4640643ASidewall extension for drain channel system and method for extending the continuous slope of a drainage channel systemPOLYDRAIN INC·Filed 1985·Granted Feb 3, 1987·77 cites·23 claims
- 0292US4553874ASlotted drainage grate with supportPOLYDRAIN INC·Filed 1984·Granted Nov 19, 1985·63 cites·4 claims
- 0390US4515498ASlotted drainage grate with supportPOLYDRAIN INC·Filed 1983·Granted May 7, 1985·55 cites·8 claims
- 0488US4621939ADrainage channelPOLYDRAIN INC·Filed 1983·Granted Nov 11, 1986·69 cites·2 claims
- 0584US4498807ADrainage channel with means for maintaining proper slope during installationPOLYDRAIN INC·Filed 1983·Granted Feb 12, 1985·63 cites·11 claims
- 0679US4751945ADual containment channel for fluidsPOLYDRAIN INC·Filed 1986·Granted Jun 21, 1988·38 cites·14 claims
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