Inventor · disambiguated record
David Lionel Rawlings
Also filed as: DILLON MICHAEL A · RAWLINGS DAVID · RAWLINGS DAVID L · RAWLINGS DAVID LIONEL
31 granted patents·5 pending applications·973 citations·filing 1980–2025
97Inventor score
Files withFLUID METERING INC16INT HYDRON CORP9ALLERGAN INC3PORTA SYSTEMS CORP3MIDDLETON JOSEPH ERVIN1
Top patents by PatentIndex Score
36 records- 0197US5469526AOptical fiber support for printed circuit boardsPORTA SYSTEMS CORP·Filed 1994·Granted Nov 21, 1995·222 cites·10 claims
- 0297US5120121AColored lensALLERGAN INC·Filed 1989·Granted Jun 9, 1992·214 cites·21 claims
- 0397US5034166AMethod of molding a colored contact lensALLERGAN INC·Filed 1988·Granted Jul 23, 1991·183 cites·24 claims
- 0493US5116112AColored lens and method of manufactureALLERGAN INC·Filed 1991·Granted May 26, 1992·90 cites·25 claims
- 0591US9828978B2Fluid pump having liquid reservoir and modified pressure relief slotFLUID METERING INC·Filed 2016·Granted Nov 28, 2017·7 cites·7 claims
- 0689US7785084B1Method and apparatus for elimination of gases in pump feed/injection equipmentFLUID METERING INC·Filed 2006·Granted Aug 31, 2010·16 cites·8 claims
- 0787US9261085B2Fluid pump having liquid reservoir and modified pressure relief slotMIDDLETON JOSEPH ERVIN·Filed 2012·Granted Feb 16, 2016·11 cites·1 claims
- 0886US2025347268A1Mechanism for electronic adjustment of flows in fixed displacement pumpFLUID METERING INC·Filed 2025·Application pending·0 cites
- 0985US7387502B1Method and apparatus for elimination of gases in pump feed/injection equipmentFLUID METERING INC·Filed 2005·Granted Jun 17, 2008·10 cites·20 claims
- 1084US8562310B1Chlorination system with corrosion minimizing componentsRAWLINGS DAVID·Filed 2010·Granted Oct 22, 2013·7 cites·11 claims
- 1183US12055138B2Syringe pumpFLUID METERING INC·Filed 2020·Granted Aug 6, 2024·1 cites·21 claims
- 1282US9964101B2Adjustable pumping apparatusFLUID METERING INC·Filed 2016·Granted May 8, 2018·2 cites·5 claims
- 1381US12398708B2Mechanism for electronic adjustment of flows in fixed displacement pumpFLUID METERING INC·Filed 2024·Granted Aug 26, 2025·0 cites·4 claims
- 1481US12398707B2Mechanism for electronic adjustment of flows in fixed displacement pumpFLUID METERING INC·Filed 2024·Granted Aug 26, 2025·0 cites·5 claims
- 1580US4680149AMold and method for spin casting a precisely configured articleINT HYDRON CORP·Filed 1986·Granted Jul 14, 1987·41 cites·15 claims
- 1679US2024392777A1Syringe pumpFLUID METERING INC·Filed 2024·Application pending·0 cites
- 1778US4517138ADevice and method for centrifugally casting articlesINT HYDRON CORP·Filed 1983·Granted May 14, 1985·30 cites·20 claims
- 1876US10935021B2Mechanism for coarse and fine adjustment of flows in fixed displacement pumpFLUID METERING INC·Filed 2017·Granted Mar 2, 2021·2 cites·18 claims
- 1976US4517139ADevice and method for centrifugally casting articles on a continuous basisINT HYDRON CORP·Filed 1983·Granted May 14, 1985·34 cites·10 claims
- 2074US11143172B2Piston/liner configuration coordination in a piston pumpFLUID METERING INC·Filed 2018·Granted Oct 12, 2021·1 cites·8 claims
- 2169US10995747B2Mechanism for fine adjustment of flows in fixed displacement pumpFLUID METERING INC·Filed 2014·Granted May 4, 2021·1 cites·13 claims
- 2268US12066015B2Mechanism for electronic adjustment of flows in fixed displacement pumpFLUID METERING INC·Filed 2020·Granted Aug 20, 2024·0 cites·10 claims
- 2364US4469646AMethod of molding plastic contact lensesRAWLINGS DAVID L·Filed 1982·Granted Sep 4, 1984·20 cites·7 claims
- 2461US4313039ATelephone modular distributing framePORTA SYSTEMS CORP·Filed 1980·Granted Jan 26, 1982·12 cites·2 claims
- 2561US2024065924A1Massage deviceVEE INT INC·Filed 2023·Application pending·0 cites
- 2659US2014017103A1Method and Apparatus for Elimination of Gases in Pump Feed/Injection EquipmentFLUID METERING INC·Filed 2013·Application pending·0 cites
- 2753US4517140ADevice and method for centrifugally casting articlesINT HYDRON CORP·Filed 1983·Granted May 14, 1985·15 cites·11 claims
- 2850US4468184AGas feed means for use in centrifugal casting devicesINT HYDRON CORP·Filed 1983·Granted Aug 28, 1984·12 cites·10 claims
- 2949US2007256556A1Pump having double reverse seal to eliminate leaking and bindingFLUID METERING INC·Filed 2007·Application pending·0 cites
- 3047US4584148AMethod for the precision trimming of the edge of a centrifugally cast lensINT HYDRON CORP·Filed 1985·Granted Apr 22, 1986·11 cites·3 claims
- 3146US11585340B2Multi-channel positive displacement pump apparatusFLUID METERING INC·Filed 2019·Granted Feb 21, 2023·0 cites·6 claims
- 3246US6411487B1Coaxial surge protector having thermal fail-safe shuntPORTA SYSTEMS CORP·Filed 2000·Granted Jun 25, 2002·8 cites·2 claims
- 3345US4534723ACutting device for the precision trimming of the edge of a centrifugally cast lensINT HYDRON CORP·Filed 1984·Granted Aug 13, 1985·12 cites·8 claims
- 3436US4551086ADevice for centrifugally casting articlesINT HYDRON CORP·Filed 1983·Granted Nov 5, 1985·5 cites·15 claims
- 3534US4516924ARetaining means for device for centrifugally casting symmetrical or asymmetrical articlesINT HYDRON CORP·Filed 1983·Granted May 14, 1985·5 cites·11 claims
- 3624US4410773AMultipole data switchPORSA SYSTEMS CORP·Filed 1981·Granted Oct 18, 1983·1 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when David Lionel Rawlings files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →