Inventor · disambiguated record
Siegfried Bernhardt
Also filed as: BERNHARDT SIEGFRIED
13 granted patents·3 pending applications·113 citations·filing 1975–2021
90Inventor score
Files withSPINNBAU GMBH6ADLER PELZER HOLDING GMBH4BERNHARDT SIEGFRIED3DILO KG MASCHF OSKAR2KRUPP GMBH1
Top patents by PatentIndex Score
16 records- 0181US6662407B2Method and apparatus for manufacturing a fiber fleeceDILO KG MASCHF OSKAR·Filed 2002·Granted Dec 16, 2003·16 cites·26 claims
- 0278US4723343AMethod and apparatus of cardingBERNHARDT SIEGFRIED·Filed 1986·Granted Feb 9, 1988·24 cites·7 claims
- 0377US4523350ACarder for manufacturing non-woven, formed fabric from fibrous substancesSPINNBAU GMBH·Filed 1983·Granted Jun 18, 1985·22 cites·5 claims
- 0466US7779512B2Apparatus and method for feeding fibersDILO KG MASCHF OSKAR·Filed 2008·Granted Aug 24, 2010·2 cites·34 claims
- 0566US5297316AApparatus for producing fiber material or the like with a precise feed weightSPINNBAU GMBH·Filed 1992·Granted Mar 29, 1994·18 cites·20 claims
- 0662US4852217ACarder for manufacturing non-wovens from fibrous materialBERNHARDT SIEGFRIED·Filed 1987·Granted Aug 1, 1989·15 cites·4 claims
- 0761US7003853B2Intermediate card for manufacturing nonwovens of fibrous material as well as method for manufacturing nonwovens of fibrous materialSPINNBAU GMBH·Filed 2004·Granted Feb 28, 2006·4 cites·26 claims
- 0854US12043925B2Method of recovering fibersADLER PELZER HOLDING GMBH·Filed 2019·Granted Jul 23, 2024·0 cites·7 claims
- 0952US2023374710A1Needled sandwich nonwoven structure, and method of making itADLER PELZER HOLDING GMBH·Filed 2021·Application pending·0 cites
- 1049US7152278B2Nonwoven card for the production of nonwoven fabric of fiber materialSPINNBAU GMBH·Filed 2004·Granted Dec 26, 2006·1 cites·12 claims
- 1149US2022145500A1Apparatus for the production of needle punched nonwovensADLER PELZER HOLDING GMBH·Filed 2020·Application pending·0 cites
- 1244US4067086AMethod for processing staple fibers on a roller card unitKRUPP GMBH·Filed 1975·Granted Jan 10, 1978·5 cites·3 claims
- 1339US6729465B2Plant and a method for transporting textile fabricsSPINNBAU GMBH·Filed 2002·Granted May 4, 2004·0 cites·29 claims
- 1439US2022144189A1Material structure of a needled nonwovenADLER PELZER HOLDING GMBH·Filed 2020·Application pending·0 cites
- 1537US4589167AApparatus for introducing a pile into a following roller systemSPINNBAU GMBH·Filed 1985·Granted May 20, 1986·3 cites·12 claims
- 1621US4697311AApparatus for the manufacture of a nonwoven fabricBERNHARDT SIEGFRIED·Filed 1986·Granted Oct 6, 1987·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →