Assignee
FERRIS IND INC
US·17 granted patents·975 citations·filing 1985–2002
Top patents by PatentIndex Score
17 records- 0195US6857254B2Mower suspension system and methodFERRIS IND INC·Filed 2002·Granted Feb 22, 2005·77 cites·57 claims
- 0294US5127215ADual hydrostatic drive walk-behind mowerFERRIS IND INC·Filed 1990·Granted Jul 7, 1992·111 cites·7 claims
- 0392US5077959ADual hydrostatic drive walk-behind mowerFERRIS IND INC·Filed 1991·Granted Jan 7, 1992·86 cites·6 claims
- 0491US6170242B1Lawn mower having independent drive wheel suspensionFERRIS IND INC·Filed 1998·Granted Jan 9, 2001·94 cites·18 claims
- 0589US5529135ASteering mechanism for four wheel lawn mowerFERRIS IND INC·Filed 1994·Granted Jun 25, 1996·77 cites·6 claims
- 0689US5433066AVehicle frame and cutter assembly lifting mechanism for riding lawn mowerFERRIS IND INC·Filed 1994·Granted Jul 18, 1995·59 cites·11 claims
- 0788US6460318B1Lawn mower independent suspensionFERRIS IND INC·Filed 1999·Granted Oct 8, 2002·76 cites·47 claims
- 0888US5946893ALawn mower having cutter deck motion coupled to mower wheel motionFERRIS IND INC·Filed 1998·Granted Sep 7, 1999·79 cites·10 claims
- 0984US4920734ADrive control for walk-behind mower with hydrostatic transmissionFERRIS IND INC·Filed 1989·Granted May 1, 1990·48 cites·10 claims
- 1082US6698172B2Lawn mower suspension assemblyFERRIS IND INC·Filed 2001·Granted Mar 2, 2004·34 cites·33 claims
- 1182US6244025B1Load compensation adjustment in lawnmower having independent suspensionFERRIS IND INC·Filed 1999·Granted Jun 12, 2001·44 cites·23 claims
- 1279US6510678B2Load compensation adjustment in lawnmower having independent suspensionFERRIS IND INC·Filed 2001·Granted Jan 28, 2003·47 cites·48 claims
- 1377US6394216B1Lawn maintenance vehicleFERRIS IND INC·Filed 2000·Granted May 28, 2002·18 cites·19 claims
- 1477US4787195APower lawnmower with hydrostatic driveFERRIS IND INC·Filed 1987·Granted Nov 29, 1988·37 cites·12 claims
- 1571US6062333ARiding mower with pivoting front wheel assemblyFERRIS IND INC·Filed 1997·Granted May 16, 2000·28 cites·12 claims
- 1669US4879867ASelf-propelled mower with hydrostatic driveFERRIS IND INC·Filed 1988·Granted Nov 14, 1989·28 cites·12 claims
- 1768US4663923ASelf-propelled mowerFERRIS IND INC·Filed 1985·Granted May 12, 1987·32 cites·9 claims
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