Inventor
Walter F. Stewart
Inventor
Marshall, WI, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Bprimary
F25BRefrigeration machines, plants or systems38%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications38%
C01GCompounds containing metals not covered by subclasses c01d or c01f13%
F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state13%
PatentTitleYear
5,538,701'Process to remove actinides from soil using magnetic separation'19964,704,871'Magnetic refrigeration apparatus with belt of ferro or paramagnetic material'19874,702,090'Magnetic refrigeration apparatus with conductive heat transfer'19874,459,811'Magnetic refrigeration apparatus and method'1984Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984–1987Patents assigned to US ENERGY (2)· patent assignee history
1984Based in Los Alamos, NM, US· patent location history
1987Patents assigned to ASTRONAUTICS CORP (1)· patent assignee history
1987Based in Marshall, WI, US· patent location history
1996Patents assigned to UNIV CALIFORNIA (1)· patent assignee history
1996Based in Las Cruces, NM, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| US ENERGY | 2 | 1984–1987 |
| ASTRONAUTICS CORP | 1 | 1987 |
| UNIV CALIFORNIA | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Marshall, WI, US | 2 | 1987 |
| Las Cruces, NM, US | 1 | 1996 |
| Los Alamos, NM, US | 1 | 1984 |