Inventor
John W. Zelahy
Inventor
West Chester, OH, US
Overview
Patents· 10 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 turbines42%
Y10TTechnical subjects covered by former us classification21%
B23KSoldering or unsoldering11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
B22FWorking metallic powder5%
B23PMetal-working not otherwise provided for5%
Y02TClimate change mitigation technologies related to transportation5%
PatentTitleYear
4,326,833'Method and replacement member for repairing a gas turbine engine blade member'19824,257,741'Turbine engine blade with airfoil projection'19814,247,254'Turbomachinery blade with improved tip cap'19814,232,995'Gas seal for turbine blade tip'19804,227,703'Gas seal with tip of abrasive particles'19804,214,355'Method for repairing a turbomachinery blade tip'19804,169,020'Method for making an improved gas seal'19794,148,494'Rotary labyrinth seal member'19794,144,433'Method for metal bonding'19794,012,616'Method for metal bonding'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1982Patents assigned to GEN ELECTRIC (10)· patent assignee history
1977–1979Based in Cincinnati, OH, US· patent location history
1979–1982Based in West Chester, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 10 | 1977–1982 |
Locations
| Location | Patents | Span |
|---|---|---|
| West Chester, OH, US | 8 | 1979–1982 |
| Cincinnati, OH, US | 2 | 1977–1979 |