Inventor
DOUGLAS J. ARRELL
Inventor
US
Overview
Patents· 1 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 turbines33%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants33%
F16JPistons33%
PatentTitleYear
11,371,617Secondary seal in a non-contact seal assembly2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022Patents assigned to SIEMENS ENERGY GLOBAL GMBH & CO KG (1)· patent assignee history
2022Based in US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SIEMENS ENERGY GLOBAL GMBH & CO KG | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| US | 1 | 2022 |