Assignee
RICHWOOD IND INC
US·21 granted patents·1 pending application·384 citations·filing 1985–2020
Top patents by PatentIndex Score
22 records- 0188US5038924AImpact saddle for conveyor beltsRICHWOOD IND INC·Filed 1990·Granted Aug 13, 1991·46 cites·8 claims
- 0285US9611101B1Return belt tracking idler for conveyor belt systemRICHWOOD IND INC·Filed 2016·Granted Apr 4, 2017·9 cites·15 claims
- 0385US4696388AConveyor belt scraper blade assembly with contoured surfaceRICHWOOD IND INC·Filed 1985·Granted Sep 29, 1987·43 cites·10 claims
- 0482US6991088B1Conveyor belt cleaner assembly including blade support assemblyRICHWOOD IND INC·Filed 2004·Granted Jan 31, 2006·27 cites·16 claims
- 0581US7051862B1Conveyor belt cleaner assembly including scalper bladeRICHWOOD IND INC·Filed 2004·Granted May 30, 2006·24 cites·5 claims
- 0678US6695123B2Conveyor belt cleaner bladeRICHWOOD IND INC·Filed 2002·Granted Feb 24, 2004·22 cites·21 claims
- 0778US4969553ABelt scraper with gear adjustmentRICHWOOD IND INC·Filed 1990·Granted Nov 13, 1990·37 cites·4 claims
- 0877US5267642ASkirt board and impact saddle assembly for conveyor beltsRICHWOOD IND INC·Filed 1992·Granted Dec 7, 1993·43 cites·4 claims
- 0976US5103967ATransition impact idler for conveyor beltRICHWOOD IND INC·Filed 1991·Granted Apr 14, 1992·29 cites·7 claims
- 1074US7004304B1Conveyor belt cleaner assembly including adjustment mechanismRICHWOOD IND INC·Filed 2004·Granted Feb 28, 2006·18 cites·19 claims
- 1166USD524009SScalper blade for a conveyor belt cleanerRICHWOOD IND INC·Filed 2004·Granted Jun 27, 2006·14 cites·1 claims
- 1265US9670003B2Snub idler for conveyorRICHWOOD IND INC·Filed 2016·Granted Jun 6, 2017·5 cites·18 claims
- 1364US6928944B2Protective bumper for towboatsRICHWOOD IND INC·Filed 2003·Granted Aug 16, 2005·10 cites·21 claims
- 1460US6394262B1Impact idler roller system for conveyor beltRICHWOOD IND INC·Filed 2000·Granted May 28, 2002·11 cites·18 claims
- 1559US5628392AReversible belt scraper blade for cleaning high speed conveyor beltsRICHWOOD IND INC·Filed 1995·Granted May 13, 1997·22 cites·11 claims
- 1658US11377305B2Dual-tube core scraper blade for a conveyor belt systemRICHWOOD IND INC·Filed 2020·Granted Jul 5, 2022·0 cites·20 claims
- 1749USD381174SPulley lagging blockRICHWOOD IND INC·Filed 1995·Granted Jul 15, 1997·7 cites·1 claims
- 1846USD381175SLagging tread for a pulleyRICHWOOD IND INC·Filed 1995·Granted Jul 15, 1997·6 cites·1 claims
- 1945US9845200B2Return belt tracking idler for conveyor belt systemRICHWOOD IND INC·Filed 2017·Granted Dec 19, 2017·0 cites·18 claims
- 2044US2019013131A1Magnetic linerRICHWOOD IND INC·Filed 2017·Application pending·0 cites
- 2139US6056111ABlade holder for conveyor belt reversible scraper bladeRICHWOOD IND INC·Filed 1998·Granted May 2, 2000·9 cites·3 claims
- 2225USD543002STread pattern for pulley laggingRICHWOOD IND INC·Filed 2006·Granted May 15, 2007·2 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →