Inventor · disambiguated record
David W. French
Also filed as: FABER RICHARD C · FRENCH DAVID W
8 granted patents·149 citations·filing 1977–2004
88Inventor score
Top patents by PatentIndex Score
8 records- 0181US4522578AApparatus for introducing a foamable plastic insulation into the space defined by an inner core pipe and an outer casing pipe while maintaining the spacing of the pipesJ M MANUFACTURING CO INC·Filed 1980·Granted Jun 11, 1985·37 cites·1 claims
- 0275US4258935ABell end of a bell and spigot jointJOHNS MANVILLE·Filed 1978·Granted Mar 31, 1981·40 cites·9 claims
- 0360US4315630ASealing ring for spigot and socket pipe jointJOHNS MANVILLE·Filed 1980·Granted Feb 16, 1982·24 cites·10 claims
- 0458US4170448AAssembly for forming the bell of a bell spigot jointJOHNS MANVILLE·Filed 1977·Granted Oct 9, 1979·18 cites·11 claims
- 0540USD501194SClock radioHILTON HOSPITALITY INC·Filed 2004·Granted Jan 25, 2005·8 cites·1 claims
- 0639US4231983APlastic pipe joint and method and assembly for making sameJOHNS MANVILLE·Filed 1979·Granted Nov 4, 1980·8 cites·3 claims
- 0735US4207283AMethod of post thickening one end section of a plastic pipeJOHNS MANVILLE·Filed 1978·Granted Jun 10, 1980·8 cites·8 claims
- 0834US4579078ASizing applicatorMANVILLE SERVICE CORP·Filed 1982·Granted Apr 1, 1986·6 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →