Inventor · disambiguated record
Karl Grafen
Also filed as: GRAFEN KARL
10 granted patents·77 citations·filing 1981–2000
88Inventor score
Top patents by PatentIndex Score
10 records- 0161US5243840AApparatus for wet treatment of textile materialKRANTZ H GMBH & CO·Filed 1992·Granted Sep 14, 1993·15 cites·10 claims
- 0258US6852220B1Filter plate of a filter pressOUTOKUMPU OY·Filed 2000·Granted Feb 8, 2005·12 cites·9 claims
- 0356US6626094B1Filter press with a stack of vertically aligned, horizontally displaceable filter platesOUTOKUMPU OY·Filed 2000·Granted Sep 30, 2003·7 cites·15 claims
- 0455US4780965AMethod for the thermal cleaning of exhaust gases of a heat treatment apparatusKRANTZ H GMBH & CO·Filed 1987·Granted Nov 1, 1988·18 cites·5 claims
- 0551US5134805AFabric treatment tenter device with counterbalanced roofKRANTZ H GMBH & CO·Filed 1991·Granted Aug 4, 1992·12 cites·6 claims
- 0641US6754927B1Device for detaching filter cakesOUTOKUMPU OY·Filed 2000·Granted Jun 29, 2004·1 cites·7 claims
- 0740US4403379AChain for a tenter frame with tentering clamping and needle combination linksKRANTZ H GMBH & CO·Filed 1981·Granted Sep 13, 1983·4 cites·5 claims
- 0832US5139848AAnti-friction combination section with differential expansion meansKRANTZ H GMBH & CO·Filed 1991·Granted Aug 18, 1992·4 cites·5 claims
- 0929US4694526AApparatus for heat treatment of a textile webKRANTZ H GMBH & CO·Filed 1986·Granted Sep 22, 1987·2 cites·8 claims
- 1028US5217514AFiltering device for tenter treatment gasesKRANTZ H GMBH & CO·Filed 1991·Granted Jun 8, 1993·2 cites·6 claims
Join the waitlist — get patent alerts
Get an alert when Karl Grafen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →