Inventor · disambiguated record
Walter Greenfield
Also filed as: GREENFIELD JR WALTER · GREENFIELD WALTER
10 granted patents·473 citations·filing 1974–1999
92Inventor score
Files withDIASYS CORP4DENVER CHEMICAL MANUFACTURING1GREENFIELD WALTER1MEDICAL LABORATORY AUTOMATION1SCI MED LAB INC1
Top patents by PatentIndex Score
10 records- 0190US5895762AApparatus and method for handling fluid samples of body materialsDIASYS CORP·Filed 1997·Granted Apr 20, 1999·156 cites·21 claims
- 0287US4354376AKit for calibrating pipettesMEDICAL LABORATORY AUTOMATION·Filed 1980·Granted Oct 19, 1982·53 cites·14 claims
- 0380US5393494AApparatus for drawing fluid sample, components thereof, and slide assembly for use therewithDIASYS CORP·Filed 1993·Granted Feb 28, 1995·60 cites·24 claims
- 0480US4804267ASystem for microscopically analyzing fluidsSCIENT IMAGING INSTR INC·Filed 1986·Granted Feb 14, 1989·53 cites·4 claims
- 0576US5248480AApparatus for drawing fluid sample and components thereofDIASYS CORP·Filed 1992·Granted Sep 28, 1993·49 cites·10 claims
- 0671US6116150AMulti-level toasterFiled 1999·Granted Sep 12, 2000·37 cites·41 claims
- 0767US4035294APressure differential filtering device and methodDENVER CHEMICAL MANUFACTURING·Filed 1975·Granted Jul 12, 1977·26 cites·5 claims
- 0866US3980436AAnalytic test deviceSCI MED LAB INC·Filed 1974·Granted Sep 14, 1976·22 cites·6 claims
- 0941US4182161AApparatus for timing and recording sedimentation rate of fluid samplesGREENFIELD WALTER·Filed 1978·Granted Jan 8, 1980·9 cites·6 claims
- 1039US5891397ASlide assemblyDIASYS CORP·Filed 1997·Granted Apr 6, 1999·8 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →