Inventor
David Beamish
Inventor
Mississauga, CA
Overview
Patents· 16 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Dprimary
F01DNon-positive displacement machines or engines, e.g. steam turbines21%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants21%
G01BMeasuring length, thickness or similar linear dimensions21%
F16CShafts18%
F16FSprings9%
F02CGas-turbine plants3%
G01MTesting static or dynamic balance of machines or structures3%
G01VGeophysics3%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
11,125,110Method and system to supply oil to a multi-film oil damper202111,067,121Multi-film oil damper with tapered damper rings202110,954,817Method of separating and sealing multi film damper rings202110,947,863Method to supply oil to a multi-film damper202110,883,383Multi-film damper rings with spacers202110,808,755Method to seal damper cavity of multi-film oil damper20209,932,832Method of balancing a spool of a gas turbine engine2018RE041342'Coating thickness gauge'20107,492,168'Systems and methods for resistivity measurement'20096,282,962'High resolution ultrasonic thickness gauge'20016,250,160'High resolution ultrasonic thickness gauge'20015,930,744'Coating thickness gauge'19995,751,608'Coating thickness gauge'19985,723,791'High resolution ultrasonic coating thickness gauge'1998RE035703'Combination coating thickness gauge using a magnetic flux density sensor and an eddy current search coil'19975,343,146'Combination coating thickness gauge using a magnetic flux density sensor and an eddy current search coil'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to FELSKO CORP DE (1)· patent assignee history
1994Based in Ogdensburg, NY, US· patent location history
1997–2010Patents assigned to DEFELSKO CORP (6)· patent assignee history
1997–2010Based in Brockville, CA· patent location history
2009Patents assigned to NATURAL ENVIRONMENT RES (1)· patent assignee history
2009Based in Edwalton, GB· patent location history
2018–2021Patents assigned to PRATT & WHITNEY CANADA (7)· patent assignee history
2018–2021Based in Mississauga, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PRATT & WHITNEY CANADA | 7 | 2018–2021 |
| DEFELSKO CORP | 6 | 1997–2010 |
| FELSKO CORP DE | 1 | 1994 |
| NATURAL ENVIRONMENT RES | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Mississauga, CA | 7 | 2018–2021 |
| Brockville, CA | 7 | 1997–2010 |
| Edwalton, GB | 1 | 2009 |
| Ogdensburg, New York, US | 1 | 1994 |