Assignee
HEPWORTH IRON CO LTD
GB·5 granted patents·122 citations·filing 1977–1986
Top patents by PatentIndex Score
5 records- 0185US4744741AApparatus for the manufacture of composite articles using rotating moldsHEPWORTH IRON CO LTD·Filed 1986·Granted May 17, 1988·77 cites·16 claims
- 0272US4173362AFemale pipe coupling member with annular seal ringHEPWORTH IRON CO LTD·Filed 1977·Granted Nov 6, 1979·33 cites·6 claims
- 0335US4711473ACoupling pipesHEPWORTH IRON CO LTD·Filed 1986·Granted Dec 8, 1987·9 cites·14 claims
- 0428US4264301AMethod and apparatus for firing ceramic productsHEPWORTH IRON CO LTD·Filed 1979·Granted Apr 28, 1981·2 cites·9 claims
- 0524US4382051AMethod for firing ceramic productsHEPWORTH IRON CO LTD·Filed 1980·Granted May 3, 1983·1 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →