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John E. Litz — 16 Patents

WIWrt International: 7 patents #2 of 5Top 40%
HSH.C. Starck: 2 patents #87 of 248Top 40%
ATAda Technologies: 1 patents #23 of 46Top 50%
ITI.C. + Technologies: 1 patents #2 of 4Top 50%
RAResource Technology Associates: 1 patents #11 of 19Top 60%
Chevron: 1 patents #2,625 of 4,788Top 55%
Lakewood, CO: #45 of 1,100 inventorsTop 5%
Colorado: #2,649 of 40,980 inventorsTop 7%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
John E. Litz has been granted 16 US patents while listed as an inventor at Wrt International. The first was granted in 1985 and the most recent in December 2020. John E. Litz ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list John E. Litz in Lakewood, CO, US.

Patents per Year

Patents granted per year, 1985 to 2020Bar chart with a peak of 3 patents in 1985.peak 31985: 3 patents19851986: 1 patents1989: 1 patents19891994: 1 patents2002: 1 patents20022004: 2 patents2006: 2 patents20062008: 1 patents2009: 1 patents20092014: 1 patents2018: 1 patents20182020: 1 patents2020

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10875787 Radium removal from aqueous media using zeolite materials Charles S. Williams 2020-12-29
9908788 Radium removal from aqueous media using zeolite materials Charles S. Williams 2018-03-06
8663479 Method for removing cationic contaminants from water using natural zeolite underloaded with transition metal ions to limit leakage of intrinsic arsenic therefrom Charles S. Williams 2014-03-04
7476311 Arsenic removal from aqueous media using chemically treated zeolite materials Charles S. Williams 2009-01-13
7326348 Method for removal and destruction of ammonia from an aqueous medium Charles S. Williams 2008-02-05
7108784 Apparatus for removal and destruction of ammonia from an aqueous medium Charles S. Williams 2006-09-19
7105087 Hexa-valent chromium removal from aqueous media using ferrous-form zeolite materials — 2006-09-12
6818191 Autoclave control mechanisms for pressure oxidation of molybdenite Paul B. Queneau, Rong-Chien Wu 2004-11-16
6730279 Production of pure molybdenum oxide from low grade molybdeniteconcentrates Robert W. Balliett, Wolfgang Kummer, Lawrence F. McHugh, Harry H. K. Nauta, Paul B. Queneau +1 more 2004-05-04
6403044 Method and apparatus for stabilizing liquid elemental mercury Thomas E. Broderick, Robin M. Stewart 2002-06-11
5354358 Process for removing uranium and other metals from wastes Nicholas J. Lombardo, Robert Leland Schwartz 1994-10-11
4814149 Process for recovering molybdenum from solution in a form that is substantially free from vanadium — 1989-03-21 $13,082,000
4606764 Method of recovering metals from ores using a formate reducing agent Wayne C. Hazen, Enzo L. Coltrinari, David L. Thompson 1986-08-19
4548794 Method of recovering nickel from laterite ores E. Harris Lowenhaupt, Dennis L. Howe 1985-10-22
4541868 Recovery of nickel and cobalt by controlled sulfuric acid leaching E. Harris Lowenhaupt, Dennis L. Hoe 1985-09-17
4541994 Method of liberating nickel- and cobalt-enriched fines from laterite E. Harris Lowenhaupt, Dennis L. Howe 1985-09-17

Frequent Collaborators

Charles S. Williams6 shared
E. Harris Lowenhaupt3 shared
Rong-Chien Wu2 shared
Paul B. Queneau2 shared
Dennis L. Howe2 shared
Robert Leland Schwartz1 shared

Nearby-Ranked Inventors

Chung-Lin Fu16
Tyrone T. Chen16
Shivendra Katiyar16
Kevin E. Kalajan16
Henry Y. Mark16
Marco Becker16
Nak Gi Sung16
Kenta Iwai16
Brock Mammoser16