Inventor · disambiguated record
Malvern M. Hasha
Also filed as: HASHA MALVERN M
8 granted patents·315 citations·filing 1974–1990
90Inventor score
Top patents by PatentIndex Score
8 records- 0193US4407171AApparatus and method for hydrostatically testing sealing face surfaces of tubular jointsHASHA MALVERN M·Filed 1981·Granted Oct 4, 1983·65 cites·40 claims
- 0288US5209105AMethod and apparatus for externally and internally testing for leaks in connections between tubular membersHASHA MALVERN M·Filed 1990·Granted May 11, 1993·72 cites·13 claims
- 0386US4926680AMethod and apparatus for externally and internally testing for leaks in connections between tubular membersHASHA BRIAN B·Filed 1988·Granted May 22, 1990·54 cites·13 claims
- 0482US4132111ALeak testing method and apparatus for tubular members packer means thereforHASHA MALVERN M·Filed 1974·Granted Jan 2, 1979·30 cites·6 claims
- 0569US4136552ALeak testing method and apparatus for tubular members and packer means thereforHASHA MALVERN M·Filed 1978·Granted Jan 30, 1979·20 cites·3 claims
- 0666US4010633AAnnular sealHASHA MALVERN M·Filed 1975·Granted Mar 8, 1977·30 cites·2 claims
- 0760US4011617ACleaner for tubular pin and box endsTOELKE LESTER W·Filed 1975·Granted Mar 15, 1977·25 cites·18 claims
- 0854US4152926AMethod and apparatus for testing the connections between pipe segmentsHASHA MALVERN M·Filed 1977·Granted May 8, 1979·19 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →