HP

Heinrich Pfeiffer

SC Schering: 13 patents #214 of 2,442Top 9%
M& Maschinenfabrik J. Dieffenbacher Gmbh &: 3 patents #5 of 23Top 25%
SA Schering A.G.: 1 patents #15 of 44Top 35%
Overall (All Time): #196,834 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9410646 Method for producing a pipe connection by means of press fitting, and pressing tool 2016-08-09
8782863 Press tool for connecting in particular tubular workpieces 2014-07-22
6049962 Process for connecting a pipe with a press fitting and combination of press fitting, pipe and pressing device for implementing said process 2000-04-18
5887329 Press tool 1999-03-30
5666711 Press tool 1997-09-16
5648063 Sterile composition comprising a chelate complex for magnetic resonance imaging Heinz Gries, Douwe Rosenberg, Hanns-Joachim Weinmann, Ulrich Speck, Wolfgang Mutzel +2 more 1997-07-15
5595725 Diagnostic media Heinz Gries, Douwe Rosenberg, Hanns-Joachim Weinmann, Ulrich Speck, Wolfgang M utzel +2 more 1997-01-21
5560903 Method of enhancing paramagnetism in chelates for MRI Heinz Gries, Douwe Rosenberg, Hanns-Joachim Weinmann, Ulrich Speck, Wolfgang Mutzel +2 more 1996-10-01
5362475 Gadolinium chelates for magnetic resonance imaging Heinz Gries, Douwe Rosenberg, Hanns-Joachim Weinmann, Ulrich Speck, Wolfgang Mutzel +2 more 1994-11-08
5047228 Nonionic 5-C-substituted 2,4,6-triiodoisophthalic acid derivatives Heinz Gries, Ulrich Speck, Wolfgang Mutzel 1991-09-10
5021236 Method of enhancing NMR imaging using chelated paramagnetic ions bound to biomolecules Heinz Gries, Douwe Rosenberg, Hanns-Joachim Weinmann, Ulrich Speck, Wolfgang Mutzel +1 more 1991-06-04
4963344 Method to enhance NMR imaging using chelated paramagnetic ions Heinz Gries, Douwe Rosenberg, Hanns-Joachim Weinmann, Ulrich Speck, Wolfgang Mutzel +1 more 1990-10-16
4547357 N-Hydroxyethylated 2,4,6-triiodoaminoisophthalic acid bistrihydroxybutylamides, their preparation and x-ray contrast media containing them Wolfgang Muetzel, Ulrich Speck 1985-10-15
4466857 Continuously operating press for the production of particle board, fiberboard, plywood sheets or the like 1984-08-21
4426371 Novel N-hydroxyalkylated dicarboxylic acid bis(3,5-dicarbamoyl-2,4,6-triiodoanilides), as X-ray contrast media Ulrich Speck 1984-01-17
4417865 Continuously operating press 1983-11-29
4395391 Unsymmetrically substituted dicarboxylic-acid-bis-(2,4,6-triiodo-anilides), their preparation, and x-ray contrast media containing same Wolfgang Mutzel, Ulrich Speck 1983-07-26
4367216 Triiodinated 5-aminoisophthalic acid derivatives Wolfgang Mutzel, Hans-Martin Siefert, Ulrich Speck, Paul-Eberhard Schulze, Bernhard Acksteiner 1983-01-04
4348252 Device for the insertion and extraction of a laminating pack in and from a press Heinrich Knoop 1982-09-07
4328202 Ionic 5-C-substituted 2,4,6-triiodoisophthalic acid derivatives Heinz Gries, Ulrich Speck, Wolfgang Muetzel 1982-05-04
4239747 Dicarboxylic acid bis(3,5-dicarbamoyl-2,4,6-triiodoanilides) useful as x-ray contrast agents Ulrich Speck 1980-12-16
4221740 Process for the preparation of serinol (1,3-dihydroxy-2-aminopropane) 1980-09-09