Assignee
ELGIN SWEEPER CO
20 granted patents·357 citations·filing 1978–2004
Top patents by PatentIndex Score
20 records- 0174US5060334AStreet sweeperELGIN SWEEPER CO·Filed 1988·Granted Oct 29, 1991·37 cites·32 claims
- 0272US5839157AStreet sweeper pick-up headELGIN SWEEPER CO·Filed 1996·Granted Nov 24, 1998·36 cites·15 claims
- 0367US4343060AHydraulic control system for a street sweeperELGIN SWEEPER CO·Filed 1980·Granted Aug 10, 1982·30 cites·10 claims
- 0464USD411498SDisplay moduleELGIN SWEEPER CO·Filed 1997·Granted Jun 29, 1999·15 cites·1 claims
- 0564US4171551ASpring suspended street sweeper having rear axle spring lockoutELGIN SWEEPER CO·Filed 1978·Granted Oct 23, 1979·24 cites·15 claims
- 0661USD400124STruck bodyELGIN SWEEPER CO·Filed 1997·Granted Oct 27, 1998·12 cites·1 claims
- 0760US4807327ADirt deflector for cleaning headsELGIN SWEEPER CO·Filed 1988·Granted Feb 28, 1989·28 cites·20 claims
- 0858USD307203SCab for street sweeperELGIN SWEEPER CO·Filed 1987·Granted Apr 10, 1990·8 cites·1 claims
- 0957US5852847AHigh-speed pick-up head for a street sweeperELGIN SWEEPER CO·Filed 1997·Granted Dec 29, 1998·31 cites·30 claims
- 1057US4236756AStreet sweeper having an elevating hopper with supporting outriggersELGIN SWEEPER CO·Filed 1978·Granted Dec 2, 1980·18 cites·11 claims
- 1155US5251652AStreet sweeperELGIN SWEEPER CO·Filed 1991·Granted Oct 12, 1993·22 cites·36 claims
- 1252US4178647AFour-wheeled sweeperELGIN SWEEPER CO·Filed 1978·Granted Dec 18, 1979·16 cites·20 claims
- 1349US4951347ABrush-type cleaning systemELGIN SWEEPER CO·Filed 1990·Granted Aug 28, 1990·23 cites·18 claims
- 1448US4460186AGuide wheel suspension for a three wheel sweeperELGIN SWEEPER CO·Filed 1982·Granted Jul 17, 1984·15 cites·17 claims
- 1545US4802549ACentral rotating terminal for vehiclesELGIN SWEEPER CO·Filed 1987·Granted Feb 7, 1989·10 cites·17 claims
- 1644US4222141AStreet sweeper and main broom suspensionELGIN SWEEPER CO·Filed 1979·Granted Sep 16, 1980·12 cites·13 claims
- 1741US7424767B2Street sweeper with litter hoseELGIN SWEEPER CO·Filed 2004·Granted Sep 16, 2008·4 cites·34 claims
- 1838US4756552ASteering mechanism for vehicle with multiple steering wheelsELGIN SWEEPER CO·Filed 1987·Granted Jul 12, 1988·8 cites·4 claims
- 1931USD307960SControl panel for street sweeperELGIN SWEEPER CO·Filed 1987·Granted May 15, 1990·2 cites·1 claims
- 2030US4770681ADust separator for gas streamELGIN SWEEPER CO·Filed 1987·Granted Sep 13, 1988·6 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →