Assignee
WHATMAN REEVE ANGEL LTD
17 granted patents·663 citations·filing 1974–1981
Top patents by PatentIndex Score
17 records- 0196US4102785AInside-to-outside flow filter tube and method of using sameWHATMAN REEVE ANGEL LTD·Filed 1977·Granted Jul 25, 1978·136 cites·28 claims
- 0293US4376675AMethod of manufacturing an inorganic fiber filter tube and productWHATMAN REEVE ANGEL LTD·Filed 1980·Granted Mar 15, 1983·76 cites·19 claims
- 0393US4062781ADisposable filter with interchangeable end elementsWHATMAN REEVE ANGEL LTD·Filed 1976·Granted Dec 13, 1977·98 cites·11 claims
- 0492US3972694AFilter tubeWHATMAN REEVE ANGEL LTD·Filed 1974·Granted Aug 3, 1976·67 cites·11 claims
- 0588USD248485SFilterWHATMAN REEVE ANGEL LTD·Filed 1977·Granted Jul 11, 1978·25 cites·1 claims
- 0686US4210540AImproved filter tubeWHATMAN REEVE ANGEL LTD·Filed 1978·Granted Jul 1, 1980·46 cites·12 claims
- 0779US4169754AFilter tube and method of preparing sameWHATMAN REEVE ANGEL LTD·Filed 1977·Granted Oct 2, 1979·34 cites·25 claims
- 0878USD263496SFilterWHATMAN REEVE ANGEL LTD·Filed 1979·Granted Mar 23, 1982·18 cites·1 claims
- 0978US4309289AMethod of filtering oil from oil-and-water emulsionsWHATMAN REEVE ANGEL LTD·Filed 1980·Granted Jan 5, 1982·40 cites·11 claims
- 1071US4213044AMethod and apparatus for determining oil mist in compressed airWHATMAN REEVE ANGEL LTD·Filed 1978·Granted Jul 15, 1980·22 cites·21 claims
- 1169US4342730AApparatus for and method of removing volatile boiler-feed additives from pressurized steamWHATMAN REEVE ANGEL LTD·Filed 1981·Granted Aug 3, 1982·23 cites·5 claims
- 1263US4055403ACompressed air dryerWHATMAN REEVE ANGEL LTD·Filed 1976·Granted Oct 25, 1977·20 cites·28 claims
- 1358US4102736AMethod of manufacturing an inside-to-outside flow filter tubeWHATMAN REEVE ANGEL LTD·Filed 1977·Granted Jul 25, 1978·14 cites·33 claims
- 1458US4058456AExternal supported filterWHATMAN REEVE ANGEL LTD·Filed 1977·Granted Nov 15, 1977·16 cites·27 claims
- 1557US4116761APorous element and the preparation thereofWHATMAN REEVE ANGEL LTD·Filed 1978·Granted Sep 26, 1978·8 cites·30 claims
- 1649US3954618AFilter tube holder and filter assemblyWHATMAN REEVE ANGEL LTD·Filed 1974·Granted May 4, 1976·13 cites·12 claims
- 1740US4006054AMethod of making filter tubesWHATMAN REEVE ANGEL LTD·Filed 1975·Granted Feb 1, 1977·7 cites·16 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →