Inventor · disambiguated record
Charles M. Eckman
Also filed as: ECKMAN CHARLES M
8 granted patents·282 citations·filing 1987–1998
89Inventor score
Top patents by PatentIndex Score
8 records- 0188US5586214AImmersion heating element with electric resistance heating material and polymeric layer disposed thereonENERGY CONVERTORS INC·Filed 1994·Granted Dec 17, 1996·80 cites·35 claims
- 0286US5930459AImmersion heating element with highly thermally conductive polymeric coatingENERGY CONVERTERS INC·Filed 1996·Granted Jul 27, 1999·86 cites·25 claims
- 0372US5835679APolymeric immersion heating element with skeletal support and optional heat transfer finsENERGY CONVERTERS INC·Filed 1996·Granted Nov 10, 1998·33 cites·15 claims
- 0468US6432344B1Method of making an improved polymeric immersion heating element with skeletal support and optional heat transfer finsWATLOW POLYMER TECHNOLOGY·Filed 1998·Granted Aug 13, 2002·28 cites·3 claims
- 0561US5780817ARetrofittable glass-top electric stove elementFiled 1996·Granted Jul 14, 1998·27 cites·17 claims
- 0657US5703998AHot water tank assemblyENERGY CONVERTORS INC·Filed 1994·Granted Dec 30, 1997·19 cites·2 claims
- 0750USD303004SMobile towel warmer and dryerECKMAN HANFORD L·Filed 1987·Granted Aug 22, 1989·8 cites·1 claims
- 0829USD410535SCombined water cooler and heating unitENERGY CONVERTERS INC·Filed 1996·Granted Jun 1, 1999·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →