Inventor
Robert W. Langerak
Inventor
Burlington, CA
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B01Dprimary
B01DSeparation71%
B01FMixing, e.g. dissolving, emulsifying or dispersing14%
C02FTreatment of water, waste water, sewage, or sludge14%
PatentTitleYear
6,656,356'Aerated immersed membrane system'20036,592,759'Gel potting method and method to reduce twinning for filtering hollow fiber membranes'20035,227,063'Tubular membrane module'19935,100,549'Tubular membrane module'19924,897,191'Tubular membrane module with fluid shear protection'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2003Patents assigned to ZENON ENVIRONMENTAL INC (5)· patent assignee history
1990Based in Brantford, CA· patent location history
1992–2003Based in Burlington, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ZENON ENVIRONMENTAL INC | 5 | 1990–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Burlington, CA | 4 | 1992–2003 |
| Brantford, CA | 1 | 1990 |