Inventor
John N. Gerlach
Inventor
Burlington, MA, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Bprimary
C22BProduction and refining of metals26%
Y02PClimate change mitigation technologies in the production or processing of goods26%
C01GCompounds containing metals not covered by subclasses c01d or c01f11%
C02FTreatment of water, waste water, sewage, or sludge11%
C10GCracking hydrocarbon oils11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%
PatentTitleYear
6,685,824'Process for removing mercury from liquid hydrocarbons using a sulfur-containing organic compound'20046,537,443'Process for removing mercury from liquid hydrocarbons'20036,117,333'Removal of hydrocarbons, mercury and arsenic from oil-field produced water'20005,071,568'Selenium removal process'19914,594,132'Chloride hydrometallurgical process for production of copper'19864,095,975'Continuous recovery of copper metal from acidic solutions'19784,033,765'Extractions of copper from solutions by reduction with anthraquinols'19774,032,332'Process for increasing the rate of copper metal production in a quinolic extraction system'19774,032,331'Process for conserving quinolic compounds in an organic extractant copper recovery system'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1978Patents assigned to KENNECOTT COPPER CORP (4)· patent assignee history
1977–1978Based in Burlington, MA, US· patent location history
1986Patents assigned to PHELPS DODGE CORP (1)· patent assignee history
1986Based in Morenci, AZ, US· patent location history
1991–2004Patents assigned to UNION OIL CO (4)· patent assignee history
1991Based in Fullerton, CA, US· patent location history
2000–2004Based in Las Vegas, NV, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KENNECOTT COPPER CORP | 4 | 1977–1978 |
| UNION OIL CO | 4 | 1991–2004 |
| PHELPS DODGE CORP | 1 | 1986 |
Locations
| Location | Patents | Span |
|---|---|---|
| Burlington, Massachusetts, US | 4 | 1977–1978 |
| Las Vegas, NV, US | 3 | 2000–2004 |
| Fullerton, California, US | 1 | 1991 |
| Morenci, AZ, US | 1 | 1986 |