Inventor · disambiguated record
Roy H. Hammerstedt
Also filed as: HAMMERSTEDT ROY H
14 granted patents·6 pending applications·289 citations·filing 1990–2017
93Inventor score
Top patents by PatentIndex Score
20 records- 0190US5188455AApparatus for remote mixing of fluidsPENNSYLVANIA RES CORP·Filed 1990·Granted Feb 23, 1993·73 cites·12 claims
- 0287US7422726B2Integrated container for lyophilization, rehydration and processing of biological materialsBLOOD CELL STORAGE INC·Filed 2002·Granted Sep 9, 2008·33 cites·7 claims
- 0385US6065294ACassette device and system to facilitate cryopreservationBIOPORE INC·Filed 1998·Granted May 23, 2000·52 cites·13 claims
- 0485US5261870ASeparation barrier with plugged poresBIOPORE INC·Filed 1991·Granted Nov 16, 1993·40 cites·8 claims
- 0584US5026342ANoningestible separation barrier with plugged poresBIOPORE INC·Filed 1990·Granted Jun 25, 1991·37 cites·9 claims
- 0674US6558546B2pH dependent membrane diffusionPENN STATE RES FOUND·Filed 2001·Granted May 6, 2003·19 cites·9 claims
- 0770US6399363B1Method of permeant removal from cell suspension in a porous containerBIOPORE INC·Filed 2000·Granted Jun 4, 2002·4 cites·14 claims
- 0864US7407796B2Interrogation of changes in the contents of a sealed containerPENN STATE RES FOUND·Filed 2004·Granted Aug 5, 2008·8 cites·13 claims
- 0955USRE39034EMolecule involved in binding of sperm to egg surfaces and procedures for use of this molecule to enhance or decrease potential fertilityPENN STATE RES FOUND·Filed 2001·Granted Mar 21, 2006·0 cites·1 claims
- 1050US2007255249A1System for growth, analysis, storage, validation and distribution of cells and tissues used for biomedical purposesBERENSON RON·Filed 2007·Application pending·0 cites
- 1149US5910568AMolecule involved in binding of sperm to egg surfaces and procedures for use of this molecule to enhance or decrease potential fertilityPENN STATE RES FOUND·Filed 1996·Granted Jun 8, 1999·11 cites·1 claims
- 1244US2020008916A1Methods for improved reproductive management of ruminant ungulatesPENN STATE RES FOUND·Filed 2017·Application pending·0 cites
- 1342US2003024877A1Cell concentrator and washerFiled 2002·Application pending·0 cites
- 1441US2006263884A1Use of passageways through porous membranesHAMMERSTEDT ROY H·Filed 2004·Application pending·0 cites
- 1539US2013066046A1General Method for Generating Ultra-High Affinity Binding ProteinsHAMMERSTEDT ROY H·Filed 2010·Application pending·0 cites
- 1638US2004243093A1System for growth, analysis, storage, validation and distribution of cells and tissues used for biomedical purposesFiled 2002·Application pending·0 cites
- 1737US6103483AMolecule involved in binding of sperm to egg surfaces and procedures for use of this molecule to enhance or decrease potential fertilityPENN STATE RES FOUND·Filed 1998·Granted Aug 15, 2000·5 cites·6 claims
- 1834US5763206AProcess for evaluating fertility of spermatozoa samplesPENN STATE RES FOUND·Filed 1996·Granted Jun 9, 1998·5 cites·12 claims
- 1930US6100378AEnhancement of the pro-fertility action of a molecule involved in a sperm-egg bindingBIOPORE INC·Filed 1999·Granted Aug 8, 2000·2 cites·1 claims
- 2029US6004586AMolecule involved in binding of sperm to egg surfaces and procedures for use of this molecule to enhance or decrease potential fertilityPENN STATE RES FOUND·Filed 1998·Granted Dec 21, 1999·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →