Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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William Wells — 18 Patents

KOKortec: 8 patents #2 of 14Top 15%
KTKorf Technologies: 5 patents #1 of 3Top 35%
MAMetallgesellschaft Ag: 1 patents #308 of 715Top 45%
Metropolis, IL: #2 of 9 inventorsTop 25%
Illinois: #4,428 of 84,256 inventorsTop 6%
Overall (All Time): #245,716 of 4,157,543Top 6%
18 Patents All Time
William Wells has been granted 18 US patents while listed as an inventor at Kortec. The first was granted in 1981 and the most recent in March 2016. William Wells ranks #245,716 of 4,157,543 US inventors in our database (top 5.9%). Patent records list William Wells in Metropolis, IL, US.

Patents per Year

Patents granted per year, 1981 to 2016Bar chart with a peak of 3 patents in 1983.peak 31981: 1 patents19811982: 1 patents1983: 3 patents19831984: 1 patents1985: 2 patents19851987: 1 patents1988: 1 patents19881989: 1 patents1993: 1 patents19931994: 1 patents1995: 3 patents19952003: 1 patents2016: 1 patents2016

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
9278362 Fractal orifice plate Grant A. Gelven 2016-03-08
6524362 Method of melting fine grained direct reduced iron in an electric arc furnace Heinz Eichberger, Siegfried Schimo, Michael Stroeder 2003-02-25
5465942 Tuyere arrangement for the introduction of agents into a molten bath and method of operating such a tuyere arrangement Georg Raidl, Walter Schmelzer 1995-11-14
5451246 Process and device for heating and melting lumps of sponge iron 1995-09-19
5403378 Method and apparatus for protecting an injection device disposed in a hot blast conduit of a blast furnace Ralph Weber 1995-04-04
5371759 D.C. furnace with a hearth electrode, hearth electrode and electrode block, as well as process for operating said furnace Emil Elsner 1994-12-06
5201941 Process for introducing additive substances which are capable of flow into a metallurgical vessel and a vessel for that process 1993-04-13
4881972 Process for feeding heat energy into a molten metal bath Ralph Weber 1989-11-21
4736930 Closure apparatus for a tap hole Ralph Weber 1988-04-12
4687440 Apparatus for heating charging material 1987-08-18
4555266 Method and apparatus for treating liquid metal in a vessel 1985-11-26
4553528 Free-standing stove and fireplace apparatus 1985-11-19
4424955 Apparatus for treating liquid metal in a vessel 1984-01-10
4401466 Process for protection of nozzles and refractory lining of a vessel for refining molten metal Dalton Nose 1983-08-30
4396178 Open-hearth furnace 1983-08-02
4389043 Metallurgical melting and refining unit Ralph Weber 1983-06-21
4347079 Method of operating an open-hearth furnace 1982-08-31
4254756 Fireplace apparatus 1981-03-10