Inventor · disambiguated record
David L. Freeman
Also filed as: FREEMAN DAVID L · FREEMAN DAVID LEWIS · FREEMAN JR DAVID L
7 granted patents·1 pending application·287 citations·filing 1975–2010
88Inventor score
Files withGEN ELECTRIC CANADA3CORE LAB INC1FREEMAN DAVID L1NETSHAPE TECHNOLOGIES INC1PHOTON DYNAMICS INC1
Top patents by PatentIndex Score
8 records- 0191US4555934AMethod and apparatus for nonsteady state testing of permeabilityCORE LAB INC·Filed 1982·Granted Dec 3, 1985·77 cites·20 claims
- 0289US4019373AUltrasonic transducer mounting and coupling assemblyGEN ELECTRIC CANADA·Filed 1975·Granted Apr 26, 1977·66 cites·5 claims
- 0385US4238733ACorona discharge monitor systemGEN ELECTRIC CANADA·Filed 1979·Granted Dec 9, 1980·36 cites·13 claims
- 0485US4097801ACross-correlator circuitGEN ELECTRIC CANADA·Filed 1977·Granted Jun 27, 1978·39 cites·9 claims
- 0577US4839516AMethod for quantitative analysis of core samplesWESTERN ATLAS INT INC·Filed 1987·Granted Jun 13, 1989·46 cites·13 claims
- 0657US7330583B2Integrated visual imaging and electronic sensing inspection systemsPHOTON DYNAMICS INC·Filed 2002·Granted Feb 12, 2008·6 cites·22 claims
- 0755US4856388AAdjustable length extensionFREEMAN DAVID L·Filed 1988·Granted Aug 15, 1989·17 cites·2 claims
- 0836US2010190024A1Sintered copper-based material having increased grain size and method of making the sameNETSHAPE TECHNOLOGIES INC·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →