Inventor
Walter J. Lacey
Inventor
Aberdeenshire, GB
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling40%
F16LPipes20%
G01MTesting static or dynamic balance of machines or structures20%
G01NInvestigating or analysing materials by determining their chemical or physical properties20%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983Patents assigned to LACEY WALTER J (1)· patent assignee history
1983Based in Patterson, LA, US· patent location history
1993–2000Patents assigned to VETCO GRAY INC ABB (2)· patent assignee history
1993Based in Aberdeen, GB· patent location history
2000Based in Aberdeenshire, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| VETCO GRAY INC ABB | 2 | 1993–2000 |
| LACEY WALTER Jself | 1 | 1983 |
Locations
| Location | Patents | Span |
|---|---|---|
| Aberdeenshire, GB | 1 | 2000 |
| Aberdeen, GB | 1 | 1993 |
| Patterson, LA, US | 1 | 1983 |