Inventor · disambiguated record
Robert W. Heisler
Also filed as: HEISLER ROBERT · HEISLER ROBERT W · HEISLER ROBERT WALTER
6 granted patents·102 citations·filing 1973–2011
84Inventor score
Top patents by PatentIndex Score
6 records- 0174US9248705B2Rotary jointBRENNINGER MARTIN·Filed 2011·Granted Feb 2, 2016·4 cites·10 claims
- 0262US4329193AMethod of making a coupling for rigid pressure pipeMANVILLE SERVICE CORP·Filed 1980·Granted May 11, 1982·28 cites·8 claims
- 0360US4315630ASealing ring for spigot and socket pipe jointJOHNS MANVILLE·Filed 1980·Granted Feb 16, 1982·24 cites·10 claims
- 0451US4398726APipe section including a gasketed spigot end and method of making the sameJ M MANUFACTURING COMPANY INC·Filed 1981·Granted Aug 16, 1983·19 cites·10 claims
- 0551US4319950AMandrel for making a coupling for rigid pressure pipeMANVILLE SERVICE CORP·Filed 1980·Granted Mar 16, 1982·17 cites·5 claims
- 0642US3942935AMethod of and an assembly for forming the bell end of a bell and spigot jointJOHNS MANVILLE·Filed 1973·Granted Mar 9, 1976·10 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →