Inventor
Theodore F. Fisher
Inventor
Amherst, NY, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Jprimary
F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state28%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests19%
C01BNon-metallic elements13%
Y02PClimate change mitigation technologies in the production or processing of goods9%
B01DSeparation6%
C03BManufacture, shaping, or supplementary processes4%
C07CAcyclic or carbocyclic compounds4%
F25BRefrigeration machines, plants or systems4%
B03BSeparating solid materials using liquids or using pneumatic tables or jigs2%
C01CAmmonia2%
PatentTitleYear
6,604,367'System for providing refrigeration for chemical processing'20036,415,628'System for providing direct contact refrigeration'20026,314,757'Cryogenic rectification system for processing atmospheric fluids'20015,925,158'Gas recycle for float glass system'19995,888,265'Air separation float glass system'19995,775,128'Process for producing ammonia and recovering argon using low purity oxygen'19985,771,713'Cryogenic rectification system for recovery of fluorine compounds'19985,626,023'Cryogenic rectification system for fluorine compound recovery using additive liquid'19975,546,767'Cryogenic rectification system for producing dual purity oxygen'19965,502,969'Cryogenic rectification system for fluorine compound recovery'19965,228,297'Cryogenic rectification system with dual heat pump'19935,106,399'Argon purification system'19924,805,414'Process to recover hydrogen-free higher boiling synthesis gas component'19894,778,498'Process to produce high pressure methane gas'19884,710,212'Process to produce high pressure methane gas'19874,701,200'Process to produce helium gas'19874,701,201'Process to produce cold helium gas for liquefaction'19874,336,045'Acetylene removal in ethylene and hydrogen separation and recovery process'19824,291,636'Solid refuse disposal process'1981Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1981–1989Patents assigned to UNION CARBIDE CORP (7)· patent assignee history
1981–1989Based in Tonawanda, NY, US· patent location history
1992Patents assigned to UNION CARBIDE IND GASES TECH (1)· patent assignee history
1992–2003Based in Amherst, NY, US· patent location history
1993–2003Patents assigned to PRAXAIR TECHNOLOGY INC (10)· patent assignee history
2001Patents assigned to PRAXAIR CANADA INC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PRAXAIR TECHNOLOGY INC | 10 | 1993–2003 |
| UNION CARBIDE CORP | 7 | 1981–1989 |
| PRAXAIR CANADA INC | 1 | 2001 |
| UNION CARBIDE IND GASES TECH | 1 | 1992 |
Locations
| Location | Patents | Span |
|---|---|---|
| Amherst, New York, US | 12 | 1992–2003 |
| Tonawanda, New York, US | 7 | 1981–1989 |