Assignee
WURTH PAUL SA
LU·268 granted patents·54 pending applications·3,013 citations·filing 1978–2023
Top patents by PatentIndex Score
322 records- 0198US5108192AProbe for taking gas samples and heat measurements in a shaft furnaceWURTH PAUL SA·Filed 1991·Granted Apr 28, 1992·497 cites·6 claims
- 0298US4514129AFurnace charging installationWURTH PAUL SA·Filed 1982·Granted Apr 30, 1985·50 cites·21 claims
- 0395US5018923AAutomated bricklaying apparatusWURTH PAUL SA·Filed 1989·Granted May 28, 1991·97 cites·9 claims
- 0493US4243351AMethod of and apparatus for charging a furnaceWURTH PAUL SA·Filed 1978·Granted Jan 6, 1981·44 cites·19 claims
- 0592US4708562AApparatus for lining the inner wall of a vessel with bricksWURTH PAUL SA·Filed 1986·Granted Nov 24, 1987·40 cites·18 claims
- 0692US4290067ARadiant energy profilometerWURTH PAUL SA·Filed 1979·Granted Sep 15, 1981·29 cites·23 claims
- 0791US4418894AFurnace taphole drilling apparatus and methodWURTH PAUL SA·Filed 1981·Granted Dec 6, 1983·42 cites·6 claims
- 0890US4911595AApparatus for lining the inside wall of a vessel with bricksWURTH PAUL SA·Filed 1988·Granted Mar 27, 1990·33 cites·7 claims
- 0989US5101853ADevice for shutting of pipelines for transport of bulk productsWURTH PAUL SA·Filed 1990·Granted Apr 7, 1992·53 cites·13 claims
- 1088US5419669AInstallation for lining an internal wall of an enclosure with brickworkWURTH PAUL SA·Filed 1993·Granted May 30, 1995·42 cites·24 claims
- 1187US9683783B2Stave cooler for a metallurgical furnace and method for protecting a stave coolerWURTH PAUL SA·Filed 2014·Granted Jun 20, 2017·5 cites·12 claims
- 1287US4525120AMethod of and apparatus for controllably charging a furnaceWURTH PAUL SA·Filed 1981·Granted Jun 25, 1985·31 cites·48 claims
- 1386US9963753B2Blast furnace cooling plate with integrated wear detection systemWURTH PAUL SA·Filed 2015·Granted May 8, 2018·4 cites·12 claims
- 1485US5022806AApparatus for charging a shaft furnaceWURTH PAUL SA·Filed 1989·Granted Jun 11, 1991·42 cites·15 claims
- 1585US4533125AApparatus for guiding and changing immersion lancesWURTH PAUL SA·Filed 1983·Granted Aug 6, 1985·15 cites·37 claims
- 1685US4368813ADistribution chute control apparatus and methodWURTH PAUL SA·Filed 1981·Granted Jan 18, 1983·32 cites·10 claims
- 1785US4368678AInjection of pulverized material into a pressurized furnaceWURTH PAUL SA·Filed 1980·Granted Jan 18, 1983·32 cites·26 claims
- 1883US6916146B1Device for distributing bulk materials with rotary chute having a variable angle of inclinationWURTH PAUL SA·Filed 2000·Granted Jul 12, 2005·18 cites·11 claims
- 1983US4728240ACharging installation for a shaft furnaceWURTH PAUL SA·Filed 1986·Granted Mar 1, 1988·32 cites·16 claims
- 2083US4273492ACharging device for shaft furnacesWURTH PAUL SA·Filed 1979·Granted Jun 16, 1981·23 cites·15 claims
- 2182US7788964B2Method and device for calibrating a weighing system of a blast furnace top hopperWURTH PAUL SA·Filed 2005·Granted Sep 7, 2010·4 cites·21 claims
- 2282US6298905B1Continuous casting equipmentWURTH PAUL SA·Filed 1999·Granted Oct 9, 2001·23 cites·35 claims
- 2382US4827689AAutomated apparatus for lining the wall of a vessel with bricksWURTH PAUL SA·Filed 1987·Granted May 9, 1989·38 cites·2 claims
- 2482US4544143ATaphole plugging apparatus for a shaft furnaceWURTH PAUL SA·Filed 1984·Granted Oct 1, 1985·29 cites·14 claims
- 2581US4332374AProfilometer mounting technique and apparatusWURTH PAUL SA·Filed 1979·Granted Jun 1, 1982·37 cites·13 claims
- 2680US11591662B2Method for operating a metallurgical furnaceWURTH PAUL SA·Filed 2020·Granted Feb 28, 2023·3 cites·15 claims
- 2780US4416673ADust collector for furnace charging installationWURTH PAUL SA·Filed 1982·Granted Nov 22, 1983·16 cites·5 claims
- 2879US10449548B2Grinding and drying plantWURTH PAUL SA·Filed 2016·Granted Oct 22, 2019·1 cites·21 claims
- 2978US12071675B2Shaft furnace condition monitoringWURTH PAUL SA·Filed 2022·Granted Aug 27, 2024·0 cites·9 claims
- 3078US6988857B2Method and device for monitoring a mass flow in a pneumatic pipelineWURTH PAUL SA·Filed 2003·Granted Jan 24, 2006·26 cites·14 claims
- 3178US6981831B2Variable device for bulk material distribution with rotary chute having variable angle of inclinationWURTH PAUL SA·Filed 2001·Granted Jan 3, 2006·19 cites·24 claims
- 3278US4844292AMechanism for actuating an opening and shut-off valveWURTH PAUL SA·Filed 1988·Granted Jul 4, 1989·33 cites·9 claims
- 3378US4593727AApparatus and method for controlling the contents and the filling of a distribution tank for pulverized materialsWURTH PAUL SA·Filed 1984·Granted Jun 10, 1986·26 cites·17 claims
- 3477US4547116AApparatus for controllably charging a furnaceWURTH PAUL SA·Filed 1984·Granted Oct 15, 1985·18 cites·21 claims
- 3577US4526536ACooling apparatus for use in conjunction with a charging device for a shaft furnaceWURTH PAUL SA·Filed 1983·Granted Jul 2, 1985·21 cites·20 claims
- 3676US6635096B1Method for optimizing the operating conditions of a submerged arc furnaceWURTH PAUL SA·Filed 2000·Granted Oct 21, 2003·10 cites·13 claims
- 3776US5540895ADevice for the treatment of mixture of steam and air contaminated with sulphurous gases, formed during the granulation and dehydration of blast furnace slagWURTH PAUL SA·Filed 1994·Granted Jul 30, 1996·29 cites·19 claims
- 3876US4921086ADevice and method for uniformly distributing materials on a circular surfaceWURTH PAUL SA·Filed 1989·Granted May 1, 1990·29 cites·2 claims
- 3975US11549159B2Method of operating a sinter plantWURTH PAUL SA·Filed 2018·Granted Jan 10, 2023·2 cites·9 claims
- 4075US11377701B2Shaft furnace condition monitoringWURTH PAUL SA·Filed 2018·Granted Jul 5, 2022·2 cites·6 claims
- 4175US5799777ADevice for the distribution of materials in bulkWURTH PAUL SA·Filed 1995·Granted Sep 1, 1998·29 cites·11 claims
- 4274US11542565B2Charging system, in particular for a shaft smelt reduction furnaceWURTH PAUL SA·Filed 2018·Granted Jan 3, 2023·1 cites·10 claims
- 4374US7604447B2Hopper-loading method and installationWURTH PAUL SA·Filed 2004·Granted Oct 20, 2009·8 cites·19 claims
- 4474US6481946B1Device for dispensing bulk materialsWURTH PAUL SA·Filed 1999·Granted Nov 19, 2002·28 cites·22 claims
- 4574US4599028AInstallation for charging a shaft furnaceWURTH PAUL SA·Filed 1981·Granted Jul 8, 1986·17 cites·12 claims
- 4673US7735434B2Multiple-hearth furnaceWURTH PAUL SA·Filed 2005·Granted Jun 15, 2010·2 cites·20 claims
- 4772US7311486B2Charging device with rotary chuteWURTH PAUL SA·Filed 2002·Granted Dec 25, 2007·22 cites·17 claims
- 4872US6610115B1Dust extraction installation for blast furnace gasWURTH PAUL SA·Filed 2000·Granted Aug 26, 2003·11 cites·15 claims
- 4972US4688773AApparatus for laying a refractory lining on the inner wall of a vesselWURTH PAUL SA·Filed 1986·Granted Aug 25, 1987·20 cites·11 claims
- 5071US9546819B2Rotary charging device for shaft furnaceWURTH PAUL SA·Filed 2013·Granted Jan 17, 2017·1 cites·18 claims
Showing the top 50 of 322 patent records by PatentIndex Score.
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