Assignee
WURTH ANCIENS ETS PAUL
32 granted patents·652 citations·filing 1973–1979
Top patents by PatentIndex Score
32 records- 0192US4071166ABlast furnace charging method and apparatusWURTH ANCIENS ETS PAUL·Filed 1973·Granted Jan 31, 1978·40 cites·19 claims
- 0291US4023782ATuyere stock and compensator joint thereforeWURTH ANCIENS ETS PAUL·Filed 1975·Granted May 17, 1977·132 cites·20 claims
- 0389US4190074APressure equalization valve and technique for shaft furnaceWURTH ANCIENS ETS PAUL·Filed 1977·Granted Feb 26, 1980·38 cites·12 claims
- 0489US4158367AValve system and improved actuator thereforWURTH ANCIENS ETS PAUL·Filed 1977·Granted Jun 19, 1979·34 cites·29 claims
- 0589US4110617AInfra-red profilometerWURTH ANCIENS ETS PAUL·Filed 1977·Granted Aug 29, 1978·34 cites·25 claims
- 0686US4027605AImproved tuyere feed deviceWURTH ANCIENS ETS PAUL·Filed 1973·Granted Jun 7, 1977·25 cites·15 claims
- 0782US4074816ACharge metering apparatus for shaft furnacesWURTH ANCIENS ETS PAUL·Filed 1973·Granted Feb 21, 1978·21 cites·12 claims
- 0882US4040530AShaft furnace feed deviceWURTH ANCIENS ETS PAUL·Filed 1976·Granted Aug 9, 1977·20 cites·11 claims
- 0982US3955693AMethod and apparatus for cooling and cleaning the sealing surface of a valveWURTH ANCIENS ETS PAUL·Filed 1974·Granted May 11, 1976·21 cites·17 claims
- 1080US4074835AFurnace charger with discharge channel having approximate oval cross-sectionWURTH ANCIENS ETS PAUL·Filed 1973·Granted Feb 21, 1978·20 cites·9 claims
- 1180US4042130ACharging device for shaft furnaceWURTH ANCIENS ETS PAUL·Filed 1975·Granted Aug 16, 1977·28 cites·37 claims
- 1279US4097033ADrilling machine for blast furnace tapholesWURTH ANCIENS ETS PAUL·Filed 1977·Granted Jun 27, 1978·19 cites·23 claims
- 1379US4094494AFurnace charge profile measuring process and apparatusWURTH ANCIENS ETS PAUL·Filed 1977·Granted Jun 13, 1978·20 cites·1 claims
- 1476US3997194ACompensator connection for tuyere stockWURTH ANCIENS ETS PAUL·Filed 1975·Granted Dec 14, 1976·38 cites·9 claims
- 1572US4162784APressure equalization apparatus and methodWURTH ANCIENS ETS PAUL·Filed 1977·Granted Jul 31, 1979·15 cites·9 claims
- 1668US4135705ATaphole sealing apparatusWURTH ANCIENS ETS PAUL·Filed 1977·Granted Jan 23, 1979·12 cites·12 claims
- 1764US4061036ADevice for the extraction of gaseous samples and for thermal measurement above the burden of a shaft furnaceWURTH ANCIENS ETS PAUL·Filed 1976·Granted Dec 6, 1977·17 cites·10 claims
- 1862US4157816AShaft furnace coolingWURTH ANCIENS ETS PAUL·Filed 1977·Granted Jun 12, 1979·9 cites·8 claims
- 1961US4023832AApparatus for the transmission of heated fluidWURTH ANCIENS ETS PAUL·Filed 1975·Granted May 17, 1977·23 cites·8 claims
- 2056US4153140ALubrication technique and apparatusWURTH ANCIENS ETS PAUL·Filed 1977·Granted May 8, 1979·13 cites·12 claims
- 2156US4063722AEjector pistonWURTH ANCIENS ETS PAUL·Filed 1976·Granted Dec 20, 1977·7 cites·31 claims
- 2253US4201373AGuiding and positioning mechanism for a plugging or drilling deviceWURTH ANCIENS ETS PAUL·Filed 1978·Granted May 6, 1980·6 cites·11 claims
- 2352US4022573AHot blast stove and method of operationWURTH ANCIENS ETS PAUL·Filed 1975·Granted May 10, 1977·8 cites·13 claims
- 2451US4144902AIsolation valveWURTH ANCIENS ETS PAUL·Filed 1976·Granted Mar 20, 1979·12 cites·35 claims
- 2550US4145033AHot blast stove and method of operationWURTH ANCIENS ETS PAUL·Filed 1977·Granted Mar 20, 1979·7 cites·15 claims
- 2649US4195825ACompact apparatus for drilling and plugging tap holesWURTH ANCIENS ETS PAUL·Filed 1978·Granted Apr 1, 1980·5 cites·5 claims
- 2749US4151047AFeed installation for apparatus for extracting hydrocarbons from bituminous schistsWURTH ANCIENS ETS PAUL·Filed 1977·Granted Apr 24, 1979·5 cites·12 claims
- 2846US3980286ATuyere feed linesWURTH ANCIENS ETS PAUL·Filed 1974·Granted Sep 14, 1976·5 cites·14 claims
- 2942US4214608AApparatus for opening and closing a fluid conduitWURTH ANCIENS ETS PAUL·Filed 1978·Granted Jul 29, 1980·6 cites·12 claims
- 3042US4058300AClay gunWURTH ANCIENS ETS PAUL·Filed 1976·Granted Nov 15, 1977·3 cites·9 claims
- 3140US4216946AGate arrangement for counterpressure blast furnacesWURTH ANCIENS ETS PAUL·Filed 1979·Granted Aug 12, 1980·6 cites·6 claims
- 3235US4152243ATreatment of bituminous schistsWURTH ANCIENS ETS PAUL·Filed 1977·Granted May 1, 1979·3 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →