Inventor · disambiguated record
Ray B. Duggins
Also filed as: DUGGINS RAY B · DUGGINS RAY BROWN
9 granted patents·474 citations·filing 1976–1987
91Inventor score
Files withDU PONT9
Top patents by PatentIndex Score
9 records- 0190US4720384AManufacture of hollow fine tubular drug delivery systemsDU PONT·Filed 1986·Granted Jan 19, 1988·113 cites·21 claims
- 0287US4107135ADecorative polymeric article containing flock fibersDU PONT·Filed 1976·Granted Aug 15, 1978·42 cites·16 claims
- 0372US4735726APlasmapheresis by reciprocatory pulsatile filtrationDU PONT·Filed 1987·Granted Apr 5, 1988·133 cites·36 claims
- 0468US4673565APharmaceutical compositions containing hollow fine tubular drug delivery systemsDU PONT·Filed 1985·Granted Jun 16, 1987·35 cites·16 claims
- 0561US4668399AHollow fiber plasmapheresis processDU PONT·Filed 1982·Granted May 26, 1987·72 cites·12 claims
- 0649US4086774ADrip irrigation systemDU PONT·Filed 1977·Granted May 2, 1978·9 cites·3 claims
- 0748US4159190ALaydown tool for plastic crop-irrigation tubingDU PONT·Filed 1978·Granted Jun 26, 1979·18 cites·5 claims
- 0847US4729829AHollow fiber plasmapheresis moduleDU PONT·Filed 1986·Granted Mar 8, 1988·49 cites·7 claims
- 0925US4024716AIrrigation tubing coupling fastenerDU PONT·Filed 1976·Granted May 24, 1977·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →