Inventor
Howard R. Herrigel
Inventor
Seattle, WA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation50%
C02FTreatment of water, waste water, sewage, or sludge17%
H02KDynamo-electric machines17%
Y02ATechnologies for adaptation to climate change17%
PatentTitleYear
5,057,294'Recovery and regeneration of spent MHD seed material by the formate process'19914,863,607'Method for removing amine from oil'19894,618,429'Method of maintaining adequate seed crystal in preferential precipitation systems'19864,207,183'Prevention of solute deposition fouling in membrane processes'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1989Patents assigned to RESOURCES CONSERVATION CO (3)· patent assignee history
1980–1991Based in Seattle, WA, US· patent location history
1991Patents assigned to UNIV TENNESSEE RES CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RESOURCES CONSERVATION CO | 3 | 1980–1989 |
| UNIV TENNESSEE RES CORP | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Seattle, Washington, US | 4 | 1980–1991 |