Inventor · disambiguated record
William E. Groft
Also filed as: GROFT WILLIAM E
2 granted patents·20 citations·filing 2000–2009
57Inventor score
Technology areasB29C
Top patents by PatentIndex Score
2 records- 0168US6441352B1Apparatus for electrically heat welding thermoplastic fittings and method of using the sameEF TECHNOLOGIES INC·Filed 2000·Granted Aug 27, 2002·17 cites·20 claims
- 0260US9174299B2Apparatus and method for portable calibration of electrofusion controllersGROFT WILLIAM E·Filed 2009·Granted Nov 3, 2015·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →