Assignee
HOUGHTON & CO E F
10 granted patents·254 citations·filing 1975–1994
Top patents by PatentIndex Score
10 records- 0189US4381205AMetal quenching processHOUGHTON & CO E F·Filed 1982·Granted Apr 26, 1983·28 cites·7 claims
- 0288US4486246APolyoxazolines in aqueous quenchantsHOUGHTON & CO E F·Filed 1983·Granted Dec 4, 1984·27 cites·8 claims
- 0388US4481125AWater-based hydraulic fluidHOUGHTON & CO E F·Filed 1983·Granted Nov 6, 1984·43 cites·56 claims
- 0482US4528044AAqueous quenchants containing polyoxazolines and n-vinyl heterocyclic polymers and their use in quenching steelHOUGHTON & CO E F·Filed 1984·Granted Jul 9, 1985·32 cites·51 claims
- 0579US4087290AProcess for the controlled cooling of ferrous metalHOUGHTON & CO E F·Filed 1975·Granted May 2, 1978·30 cites·4 claims
- 0678US4010105AOil-in-water emulsion hydraulic fluidHOUGHTON & CO E F·Filed 1975·Granted Mar 1, 1977·27 cites·6 claims
- 0777US4404044AMethod of quenchingHOUGHTON & CO E F·Filed 1981·Granted Sep 13, 1983·18 cites·6 claims
- 0866US5523019ADefoamer compositionHOUGHTON & CO E F·Filed 1994·Granted Jun 4, 1996·36 cites·12 claims
- 0958US3933661AAqueous base post pickling and cold rolling fluidHOUGHTON & CO E F·Filed 1975·Granted Jan 20, 1976·12 cites·8 claims
- 1024US3965712AAqueous base post pickling and cold rolling fluidHOUGHTON & CO E F·Filed 1975·Granted Jun 29, 1976·1 cites·5 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →