Inventor · disambiguated record
Heinrich Pfeiffer
Also filed as: BRUSSEL RICHARD · PFEIFFER HEINRICH
27 granted patents·995 citations·filing 1972–2012
97Inventor score
Files withSCHERING AG15DIEFFENBACHER GMBH MASCHF5NOVOPRESS GMBH3J DIEFFENBACHER GMBH AND CO MA1J DIEFFENBACHER GMBH CO MASCHF1
Top patents by PatentIndex Score
27 records- 0198US5021236AMethod of enhancing NMR imaging using chelated paramagnetic ions bound to biomoleculesSCHERING AG·Filed 1987·Granted Jun 4, 1991·381 cites·148 claims
- 0297US4963344AMethod to enhance NMR imaging using chelated paramagnetic ionsSCHERING AG·Filed 1989·Granted Oct 16, 1990·114 cites·169 claims
- 0394US8782863B2Press tool for connecting in particular tubular workpiecesPFEIFFER HEINRICH·Filed 2010·Granted Jul 22, 2014·23 cites·17 claims
- 0493US4367216ATriiodinated 5-aminoisophthalic acid derivativesSCHERING AG·Filed 1980·Granted Jan 4, 1983·50 cites·15 claims
- 0592US5666711APress toolNOVOPRESS GMBH·Filed 1993·Granted Sep 16, 1997·37 cites·17 claims
- 0691US5362475AGadolinium chelates for magnetic resonance imagingSCHERING AG·Filed 1992·Granted Nov 8, 1994·81 cites·10 claims
- 0790US4239747ADicarboxylic acid bis(3,5-dicarbamoyl-2,4,6-triiodoanilides) useful as x-ray contrast agentsSCHERING AG·Filed 1979·Granted Dec 16, 1980·23 cites·20 claims
- 0888US4547357AN-Hydroxyethylated 2,4,6-triiodoaminoisophthalic acid bistrihydroxybutylamides, their preparation and x-ray contrast media containing themSCHERING AG·Filed 1982·Granted Oct 15, 1985·19 cites·18 claims
- 0985US5047228ANonionic 5-C-substituted 2,4,6-triiodoisophthalic acid derivativesSCHERING AG·Filed 1989·Granted Sep 10, 1991·19 cites·15 claims
- 1082US5560903AMethod of enhancing paramagnetism in chelates for MRISCHERING AG·Filed 1995·Granted Oct 1, 1996·29 cites·30 claims
- 1182US4017248AContinuously operating panel pressDIEFFENBACHER GMBH MASCHF·Filed 1975·Granted Apr 12, 1977·29 cites·8 claims
- 1278US4221740AProcess for the preparation of serinol (1,3-dihydroxy-2-aminopropane)SCHERING AG·Filed 1978·Granted Sep 9, 1980·10 cites·10 claims
- 1375US4426371ANovel N-hydroxyalkylated dicarboxylic acid bis(3,5-dicarbamoyl-2,4,6-triiodoanilides), as X-ray contrast mediaSCHERING AG·Filed 1981·Granted Jan 17, 1984·11 cites·19 claims
- 1468US5648063ASterile composition comprising a chelate complex for magnetic resonance imagingSCHERING AG·Filed 1993·Granted Jul 15, 1997·35 cites·54 claims
- 1567US4348252ADevice for the insertion and extraction of a laminating pack in and from a pressDIEFFENBACHER GMBH MASCHF·Filed 1981·Granted Sep 7, 1982·18 cites·17 claims
- 1663US4001298ATriiodized n-methyldicarboxylic acid anilidesSCHERING AG·Filed 1972·Granted Jan 4, 1977·13 cites·14 claims
- 1762US5887329APress toolNOVOPRESS GMBH·Filed 1997·Granted Mar 30, 1999·18 cites·6 claims
- 1862US4328202AIonic 5-C-substituted 2,4,6-triiodoisophthalic acid derivativesSCHERING AG·Filed 1981·Granted May 4, 1982·6 cites·22 claims
- 1957US6049962AProcess for connecting a pipe with a press fitting and combination of press fitting, pipe and pressing device for implementing said processNOVOPRESS GMBH·Filed 1996·Granted Apr 18, 2000·22 cites·36 claims
- 2054US4466857AContinuously operating press for the production of particle board, fiberboard, plywood sheets or the likeDIEFFENBACHER GMBH MASCHF·Filed 1981·Granted Aug 21, 1984·9 cites·8 claims
- 2149US9410646B2Method for producing a pipe connection by means of press fitting, and pressing toolNOVOPRESS GMBH PRESSEN UND PRESSWERKZEUGE & CO KG·Filed 2012·Granted Aug 9, 2016·0 cites·5 claims
- 2249US4395391AUnsymmetrically substituted dicarboxylic-acid-bis-(2,4,6-triiodo-anilides), their preparation, and x-ray contrast media containing sameSCHERING AG·Filed 1981·Granted Jul 26, 1983·10 cites·14 claims
- 2348US5595725ADiagnostic mediaSCHERING AG·Filed 1994·Granted Jan 21, 1997·8 cites·38 claims
- 2447US4151906AInstallation for the production of layered pressed panels and decorative panelsDIEFFENBACHER GMBH MASCHF·Filed 1977·Granted May 1, 1979·17 cites·8 claims
- 2541US4417865AContinuously operating pressJ DIEFFENBACHER GMBH CO MASCHF·Filed 1981·Granted Nov 29, 1983·6 cites·8 claims
- 2636US4173275ADevice for assembling a plurality of large panel layers into a press packJ DIEFFENBACHER GMBH AND CO MA·Filed 1977·Granted Nov 6, 1979·5 cites·12 claims
- 2732US4046500APress spar for heated panel pressDIEFFENBACHER GMBH MASCHF·Filed 1975·Granted Sep 6, 1977·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →