Inventor · disambiguated record
Ralph E. Roper
Also filed as: ROPER JR RALPH E · ROPER RALPH · ROPER RALPH E
26 granted patents·6 pending applications·600 citations·filing 1976–2021
97Inventor score
Files withAQUAFORM INC4ARMCO STEEL CO LP4REDOX TECHNOLOGY GROUP LLC3WALLACE EXPANDING MACHINES3GEN TIRE & RUBBER CO2
Top patents by PatentIndex Score
32 records- 0198US5353618AApparatus and method for forming a tubular frame memberARMCO STEEL CO LP·Filed 1993·Granted Oct 11, 1994·82 cites·11 claims
- 0292US6390457B1Soft-start, soft-return gas springFiled 2001·Granted May 21, 2002·36 cites·61 claims
- 0391US5481892AApparatus and method for forming a tubular memberFiled 1993·Granted Jan 9, 1996·76 cites·19 claims
- 0489US5890387AApparatus and method for forming and hydropiercing a tubular frame memberAQUAFORM INC·Filed 1992·Granted Apr 6, 1999·46 cites·16 claims
- 0589US5157969AApparatus and method for hydroforming sheet metalARMCO STEEL CO LP·Filed 1989·Granted Oct 27, 1992·32 cites·21 claims
- 0688US4576030AStretch form dieWALLACE EXPANDING MACHINES·Filed 1983·Granted Mar 18, 1986·37 cites·14 claims
- 0786US5372026AApparatus and method for hydroforming sheet metalARMCO STEEL CORP·Filed 1992·Granted Dec 13, 1994·28 cites·13 claims
- 0884US9034285B1Use of ferrous sulfide suspension for the removal of mercury from flue gasesREDOX TECHNOLOGY GROUP LLC·Filed 2014·Granted May 19, 2015·4 cites·12 claims
- 0981US5533372AControlled material flow hydroformingAK STEEL CORP·Filed 1994·Granted Jul 9, 1996·22 cites·6 claims
- 1081US5499520AApparatus for forming a tubular frame memberAQUAFORM INC·Filed 1994·Granted Mar 19, 1996·18 cites·7 claims
- 1181US5372027AControlled material flow hydroformingARMCO STEEL CO LP·Filed 1992·Granted Dec 13, 1994·23 cites·5 claims
- 1281US5239852AApparatus and method for forming a tubular frame memberARMCO STEEL CO LP·Filed 1992·Granted Aug 31, 1993·51 cites·20 claims
- 1378US5865054AApparatus and method for forming a tubular frame memberAQUAFORM INC·Filed 1995·Granted Feb 2, 1999·19 cites·14 claims
- 1477US9073008B2Use of ferrous sulfide suspension for the removal of mercury from flue gasesREDOX TECHNOLOGY GROUP LLC·Filed 2014·Granted Jul 7, 2015·4 cites·19 claims
- 1571US2022055931A1Methods of reducing calcite formation and solubilized metals from aqueous effluent streamsHERITAGE RES GROUP LLC·Filed 2021·Application pending·0 cites
- 1669US6622831B2Soft-start, soft-return gas springFiled 2002·Granted Sep 23, 2003·7 cites·16 claims
- 1767US4295357AApparatus for making metal outers and innersGEN TIRE & RUBBER CO·Filed 1980·Granted Oct 20, 1981·17 cites·13 claims
- 1864US7767188B2Calcium-sodium polysulfide chemical reagent and production methodsHERITAGE ENVIRONMENTAL SERV·Filed 2009·Granted Aug 3, 2010·0 cites·10 claims
- 1964US6068245AApparatus and method for cushioning the action of draw dies operating in a stamping press and the likeFiled 1998·Granted May 30, 2000·16 cites·37 claims
- 2064US4738695AGas removal systemDADE COUNTY AVIAT DEPT AN ADMI·Filed 1987·Granted Apr 19, 1988·45 cites·13 claims
- 2163US7938766B2Calcium-sodium polysulfide chemical reagent and production methodsHERITAGE ENVIRONMENTAL SERVICES LLC·Filed 2009·Granted May 10, 2011·0 cites·3 claims
- 2261US7144362B2Method for chemically stabilizing waste materials containing multivalent oxyanionsHERITAGE ENVIRONMENTAL SERV·Filed 2004·Granted Dec 5, 2006·8 cites·7 claims
- 2358US4238949AProcess and apparatus for making metal outers and innersGEN TIRE & RUBBER CO·Filed 1978·Granted Dec 16, 1980·10 cites·12 claims
- 2456US2021252566A1Minimization of rock pile leachate formation and methods of treating rock pile leachatesHERITAGE RES GROUP·Filed 2021·Application pending·0 cites
- 2554US2016107210A1Method for treating soil and groundwater containing heavy metals including nickelREDOX TECHNOLOGY GROUP LLC·Filed 2015·Application pending·0 cites
- 2654US2017144895A1Method for treating soil and groundwater containing heavy metals including nickelREDOX TECH GROUP LLC·Filed 2017·Application pending·0 cites
- 2753US7534413B2Calcium-sodium polysulfide chemical reagent and production methodsHERITAGE ENVIRONMENT SERVICES·Filed 2005·Granted May 19, 2009·0 cites·14 claims
- 2848US5802898AApparatus for forming a tubular frame memberAQUAFORM INC·Filed 1995·Granted Sep 8, 1998·6 cites·14 claims
- 2947US4062215AProcess for expanding wheel componentsWALLACE EXPANDING MACHINES·Filed 1976·Granted Dec 13, 1977·8 cites·5 claims
- 3041US2004012132A1Soft-start, soft-return gas springFiled 2003·Application pending·0 cites
- 3141US2008113063A1Micronutrient supplementROPER RALPH E·Filed 2006·Application pending·0 cites
- 3236US4536931ABearing burnishing method and apparatusWALLACE EXPANDING MACHINES·Filed 1982·Granted Aug 27, 1985·5 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →