Inventor · disambiguated record
Peter Seifert
Also filed as: BLISS TERRY L · CHUPKA DAVID E · SEIFERT PETER · SEIFERT PETER G
43 granted patents·5 pending applications·583 citations·filing 1974–2014
98Inventor score
Top patents by PatentIndex Score
48 records- 0189US4155841AHigh turbulence screenBLACK CLAWSON CO·Filed 1977·Granted May 22, 1979·31 cites·10 claims
- 0285US4081147AReversible disk refiner platesBLACK CLAWSON CO·Filed 1976·Granted Mar 28, 1978·29 cites·2 claims
- 0383US4410424AScreening apparatus for paper making stockBLACK CLAWSON CO·Filed 1982·Granted Oct 18, 1983·24 cites·5 claims
- 0482US5262003AMethod and system for defibering paper making materialsBLACK CLAWSON CO·Filed 1991·Granted Nov 16, 1993·44 cites·11 claims
- 0582US4722793AApparatus and method for thickening pulp and paper stockBLACK CLAWSON CO·Filed 1987·Granted Feb 2, 1988·29 cites·20 claims
- 0676US6734217B1Flame resistant HR cold-moulded foam with a reduced fume density and toxicityBAYER AG·Filed 2000·Granted May 11, 2004·15 cites·9 claims
- 0776US4383918AHigh turbulence screenBLACK CLAWSON CO·Filed 1980·Granted May 17, 1983·17 cites·11 claims
- 0876US4155839AReverse centrifugal cleaning of paper making stockBLACK CLAWSON CO·Filed 1977·Granted May 22, 1979·17 cites·11 claims
- 0973US3970548AApparatus for screening paper fiber stockBLACK CLAWSON CO·Filed 1975·Granted Jul 20, 1976·14 cites·6 claims
- 1071US6590007B2Flame-resistant hr cold-moulded foam with reduced fume density and toxicityBAYER AG·Filed 2000·Granted Jul 8, 2003·11 cites·5 claims
- 1170US4427798ASolutions of oligo-urethane ethers in polyether polyols and their use in a process for the production of polyurethane foamsBAYER AG·Filed 1982·Granted Jan 24, 1984·19 cites·4 claims
- 1269US5234172AHigh pressure water jet comminutingBLACK CLAWSON CO·Filed 1991·Granted Aug 10, 1993·24 cites·13 claims
- 1369US4323657ADispersions of high melting polyesters in polyhydroxyl compounds, a process for their preparation and their use in the production of polyurethanesBAYER AG·Filed 1980·Granted Apr 6, 1982·20 cites·13 claims
- 1468US4430453APolyurethane foams suitable for high frequency welding and process for producing the sameBAYER AG·Filed 1982·Granted Feb 7, 1984·7 cites·9 claims
- 1567US5582686AHigh pressure water jet comminutingBLACK CLAWSON CO·Filed 1993·Granted Dec 10, 1996·17 cites·6 claims
- 1667US3960332ADefibering apparatus for paper making stockBLACK CLAWSON CO·Filed 1974·Granted Jun 1, 1976·9 cites·23 claims
- 1766US4099458ACone pressBLACK CLAWSON CO·Filed 1976·Granted Jul 11, 1978·12 cites·8 claims
- 1865US5644238AMethod and apparatus for comparing load current in an electrical circuit with the capacity of its supply sourceFiled 1995·Granted Jul 1, 1997·29 cites·19 claims
- 1965US4171101AMethod of operating a disk refiner provided with reversible refining platesBLACK CLAWSON CO·Filed 1978·Granted Oct 16, 1979·17 cites·1 claims
- 2062US3948165ACone pressBLACK CLAWSON CO·Filed 1975·Granted Apr 6, 1976·10 cites·5 claims
- 2161US6989406B1Polyurea polyrethanes having improved physical propertiesBAYER AG·Filed 2000·Granted Jan 24, 2006·6 cites·12 claims
- 2261US4668734AStable dispersions of polyureas and/or polyhydrazo-dicarbonamides in relatively high molecular weight hydroxyl-group containing materials, a process for the production thereof and the use thereof for the production of polyurethane plasticsBAYER AG·Filed 1985·Granted May 26, 1987·12 cites·12 claims
- 2360US9428363B2Winding system having at least one winding deviceDIETZE + SCHELL MASCHF GMBH & CO KG·Filed 2014·Granted Aug 30, 2016·1 cites·16 claims
- 2457US5221437AScreening apparatus for paper making stockBLACK CLAWSON CO·Filed 1991·Granted Jun 22, 1993·12 cites·11 claims
- 2556US4328096ADual flow screening apparatusBLACK CLAWSON CO·Filed 1981·Granted May 4, 1982·16 cites·10 claims
- 2655US6595373B1Wedge wire and paper stock screening apparatus incorporating such wedge wireKADANT BLACK CLAWSON INC·Filed 1999·Granted Jul 22, 2003·21 cites·2 claims
- 2755US5189775AZone controlled deflection compensated rollBLACK CLAWSON CO·Filed 1992·Granted Mar 2, 1993·10 cites·16 claims
- 2850US2007186354A1Composition for pretreating fiber materialsHUNTSMAN INT LLC·Filed 2006·Application pending·0 cites
- 2948US5382327AApparatus for thickening pulp and paper stockBLACK CLAWSON CO·Filed 1991·Granted Jan 17, 1995·14 cites·6 claims
- 3047US6120648AApparatus for pulping and deinkingTHERMO BLACK CLAWSON INC·Filed 1997·Granted Sep 19, 2000·13 cites·7 claims
- 3147US5078275AScreening apparatus for paper making stockBLACK CLAWSON CO·Filed 1990·Granted Jan 7, 1992·8 cites·10 claims
- 3247US4106980AThickener apparatus including a shaftless cylinder moldBLACK CLAWSON CO·Filed 1977·Granted Aug 15, 1978·10 cites·2 claims
- 3346US5762756AMethods and apparatus for pulping and deinkingBLACK CLAWSON CO·Filed 1996·Granted Jun 9, 1998·8 cites·13 claims
- 3445US5122229AApparatus and method for washing cellulosic pulpBLACK CLAWSON CO·Filed 1991·Granted Jun 16, 1992·10 cites·10 claims
- 3544US4306037AProcess for the manufacture of elastic polyurethane foams capable of being flame laminated and high frequency weldedBAYER AG·Filed 1980·Granted Dec 15, 1981·6 cites·4 claims
- 3643US4371630ASolution of a polyurethane in a polyol and a process for using such a solution in the production of polyurethane plasticsBAYER AG·Filed 1981·Granted Feb 1, 1983·8 cites·20 claims
- 3743US2006053566A1Composition for pretreating fiber materialsPROZZO BIANCAMARIA·Filed 2005·Application pending·0 cites
- 3842US2004138085A1Composition for pretreating fiber materialsFiled 2002·Application pending·0 cites
- 3941US5186791AApparatus for thickening pulp and paper stockBLACK CLAWSON CO·Filed 1992·Granted Feb 16, 1993·10 cites·2 claims
- 4041US2015175383A1Winding device for winding up at least one material to be wound onto at least one exchangeable tubeDIETZE & SCHELL·Filed 2014·Application pending·0 cites
- 4139US4328321ADialkoxy-phosphonyl-N-alkyl-formic acid amides and their use as additives for the production of polyurethane foams which are capable of being flame laminated and high frequency weldedBAYER AG·Filed 1980·Granted May 4, 1982·4 cites·6 claims
- 4239US2003122101A1Composition for pretreating fiber materialsFiled 2001·Application pending·0 cites
- 4338US5367894AApparatus and method for washing cellulosic pulpBLACK CLAWSON CO·Filed 1993·Granted Nov 29, 1994·6 cites·8 claims
- 4436US6193073B1Paper stock screening apparatus and methodTHERMO BLACK CLAWSON INC·Filed 1998·Granted Feb 27, 2001·7 cites·4 claims
- 4534US8518134B2Method and device for the entrained-flow gasification of solid fuels under pressureMEYER BERND·Filed 2008·Granted Aug 27, 2013·0 cites·10 claims
- 4634US4400331ADialkoxy-phosphonyl-N-alkyl-formic acid amidesBAYER AG·Filed 1982·Granted Aug 23, 1983·2 cites·1 claims
- 4732US6802871B1Composition for pretreating fiber materialsCIBA SC HOLDING AG·Filed 2000·Granted Oct 12, 2004·0 cites·8 claims
- 4832US5591336AApparatus for dewatering and or washing papermaking stockBLACK CLAWSON CO·Filed 1994·Granted Jan 7, 1997·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →