Inventor · disambiguated record
Charles F. Smith
Also filed as: SMITH CHARLES · SMITH CHARLES F · SMITH JR CHARLES F
12 granted patents·77 citations·filing 1980–2023
89Inventor score
Top patents by PatentIndex Score
12 records- 0189US11808363B1Resilient metal seal for check valveTECHNETICS GROUP LLC·Filed 2023·Granted Nov 7, 2023·1 cites·20 claims
- 0283US11549591B1Resilient metal seal for check valveTECHNETICS GROUP LLC·Filed 2021·Granted Jan 10, 2023·1 cites·17 claims
- 0378US12104701B1Resilient metal seal for check valveTECHNETICS GROUP LLC·Filed 2023·Granted Oct 1, 2024·0 cites·17 claims
- 0458USD418234SIntumescent sealNAT GUARD PRODUCTS INC·Filed 1998·Granted Dec 28, 1999·10 cites·1 claims
- 0550US4959614AApparatus for determining microwave characteristics of superconductive materials using a resonant cavity and calibration waveguidesUS NAVY·Filed 1989·Granted Sep 25, 1990·15 cites·13 claims
- 0650US4462714AMethod and apparatus for setting a cement plug in the wide-mouth shaft of an earth cavernDOW CHEMICAL CO·Filed 1983·Granted Jul 31, 1984·25 cites·10 claims
- 0745US4853650ASymmetric waveguide junction combinerUS NAVY·Filed 1988·Granted Aug 1, 1989·8 cites·20 claims
- 0840USD418616SIntumescent sealNAT GUARD PRODUCTS INC·Filed 1998·Granted Jan 4, 2000·4 cites·1 claims
- 0940USD417739SIntumescent sealNAT GUARD PRODUCTS INC·Filed 1998·Granted Dec 14, 1999·4 cites·1 claims
- 1036US4503406AInside collet for coaxial placement of diodeUS NAVY·Filed 1983·Granted Mar 5, 1985·5 cites·7 claims
- 1134USD420454SIntumescent sealNAT GUARD PRODUCTS INC·Filed 1998·Granted Feb 8, 2000·2 cites·1 claims
- 1224US4320376AStress relieving weld joint for composite fusible elementPANARO ROBERT J·Filed 1980·Granted Mar 16, 1982·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →