Inventor
Ronald E. Hess
Inventor
Webster, NY, US
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B09Cprimary
B09CReclamation of contaminated soil64%
E21BEarth or rock drilling21%
B01DSeparation14%
PatentTitleYear
6,048,134'Automatic aspirator air control system'20006,024,868'Air flow control circuit for sustaining vacuum conditions in a contaminant extraction well'20005,979,554'Vacuum application method and apparatus for removing liquid contaminants from groundwater'19995,709,505'Vertical isolation system for two-phase vacuum extraction of soil and groundwater contaminants'19985,655,852'High vacuum extraction of soil contaminants along preferential flow paths'19975,441,365'Apparatus and process for treating contaminated soil gases and liquids'19955,358,357'Process and apparatus for high vacuum groundwater extraction'19945,197,541'Apparatus for two phase vacuum extraction of soil contaminants'19935,050,676'Process for two phase vacuum extraction of soil contaminants'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–2000Patents assigned to XEROX CORP (9)· patent assignee history
1991–2000Based in Webster, NY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| XEROX CORP | 9 | 1991–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Webster, New York, US | 9 | 1991–2000 |