Inventor · disambiguated record
Leon Ulveling
Also filed as: MAILLIET PIERRE · METZ JEAN · ULVELING LEON
24 granted patents·308 citations·filing 1978–2000
96Inventor score
Top patents by PatentIndex Score
24 records- 0189US5101853ADevice for shutting of pipelines for transport of bulk productsWURTH PAUL SA·Filed 1990·Granted Apr 7, 1992·53 cites·13 claims
- 0285US4368678AInjection of pulverized material into a pressurized furnaceWURTH PAUL SA·Filed 1980·Granted Jan 18, 1983·32 cites·26 claims
- 0378US4593727AApparatus 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
- 0476US5540895ADevice 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
- 0566US4395166AFluidization and distributionWURTH PAUL SA·Filed 1981·Granted Jul 26, 1983·13 cites·20 claims
- 0665US4437796APneumatic transport procedure and apparatusWURTH PAUL SA·Filed 1980·Granted Mar 20, 1984·15 cites·21 claims
- 0764US4227682AGuide and support structure for furnace taphole plugging or drilling deviceWURTH PAUL·Filed 1978·Granted Oct 14, 1980·10 cites·12 claims
- 0863US4702288AApparatus for the pneumatic injection of pulverulent materials into a pressurized vessel, and its application to the injection of powered coal into a shaft furnaceWURTH PAUL SA·Filed 1986·Granted Oct 27, 1987·13 cites·11 claims
- 0962US5076737ADevice for shutting of pipeline for the transport of bulk productPAUL WIRTH S A·Filed 1990·Granted Dec 31, 1991·25 cites·7 claims
- 1059US5123632AMethod for the pneumatic injection of metered quantities of powdered substances into a chamber at a variable pressureWURTH PAUL SA·Filed 1990·Granted Jun 23, 1992·26 cites·7 claims
- 1159US4512702AInstallation for feeding a shaft furnaceWURTH PAUL SA·Filed 1983·Granted Apr 23, 1985·9 cites·24 claims
- 1258US6610243B1Installation for aqueous granulationWURTH PAUL SA·Filed 2000·Granted Aug 26, 2003·2 cites·16 claims
- 1358US5451034ADevice for the injection of pulverized coal into a blast furnace crucibleWURTH PAUL SA·Filed 1993·Granted Sep 19, 1995·15 cites·19 claims
- 1458US4557468AApparatus for plugging the taphole of a shaft furnaceWURTH PAUL SA·Filed 1984·Granted Dec 10, 1985·9 cites·5 claims
- 1553US4201373AGuiding and positioning mechanism for a plugging or drilling deviceWURTH ANCIENS ETS PAUL·Filed 1978·Granted May 6, 1980·6 cites·11 claims
- 1650US4594028AApparatus and process for the injection of metered amounts of pulverized material into a vesselWURTH PAUL SA·Filed 1982·Granted Jun 10, 1986·6 cites·10 claims
- 1749US4195825ACompact apparatus for drilling and plugging tap holesWURTH ANCIENS ETS PAUL·Filed 1978·Granted Apr 1, 1980·5 cites·5 claims
- 1842US4214608AApparatus for opening and closing a fluid conduitWURTH ANCIENS ETS PAUL·Filed 1978·Granted Jul 29, 1980·6 cites·12 claims
- 1940US4325312AMethod and installation of injection of solid fuels into a shaft furnaceWURTH PAUL SA·Filed 1980·Granted Apr 20, 1982·3 cites·10 claims
- 2030US4606677ADevice for introducing dosed quantities of pulverized solid materials into a carrier gas streamWURTH PAUL SA·Filed 1983·Granted Aug 19, 1986·1 cites·16 claims
- 2130US4605342ADevice for introducing dosed quantities of pulverized solid materials into a carrier gas streamWURTH PAUL SA·Filed 1985·Granted Aug 12, 1986·1 cites·16 claims
- 2230US4601617ADevice for introducing dosed quantities of pulverized solid materials into a carrier gas streamWURTH PAUL SA·Filed 1985·Granted Jul 22, 1986·1 cites·6 claims
- 2330US4354665AValve for opening and closing a fluid conduitWURTH PAUL SA·Filed 1980·Granted Oct 19, 1982·1 cites·5 claims
- 2427US6516632B1Device for wet granulation of liquid-slagWORTH SA PAUL·Filed 1999·Granted Feb 11, 2003·1 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →