Inventor
Jan S. Porowski
Inventor
Pittsburgh, PA, US
Overview
15→
Patents
1986–1994
Patent span
General tagging of new technological developments
Primary field (CPC Y)
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G21Cprimary
G21CNuclear reactors18%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution18%
C21DModifying the physical structure of ferrous metals11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
Y10TTechnical subjects covered by former us classification11%
F16LPipes7%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application7%
A61BDiagnosis4%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material4%
B23PMetal-working not otherwise provided for4%
PatentTitleYear
5,361,281'Storage rack for spent nuclear fuel assemblies'19945,354,307'Surgical means for removing a portion of a body'19945,301,983'Pipe component seal assembly'19945,278,878'Process for reducing tensile welding stresses in a nozzle in a nuclear reactor shell'19945,196,160'Nuclear reactor head and process for obtaining same'19935,185,123'Apparatus for annealing walls of nuclear reactors'19934,949,781'Cooling apparatus'19904,842,655'Process for improving resistance of metal bodies to stress corrosion cracking'19894,817,441'Process and apparatus for obtaining a gas sample'19894,781,046'Tube expander'19884,702,880'Process for improving resistance of split pins to stress corrosion cracking'19874,683,014'Mechanical stress improvement process'19874,662,434'Vibration free tubular apparatus and process for making same'19874,612,071'Mechanical stress improvement process'19864,572,548'Pipelock'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1989Patents assigned to ODONNELL & ASS (8)· patent assignee history
1986–1994Based in Pittsburgh, PA, US· patent location history
1993–1994Patents assigned to POROWSKI JAN S (5)· patent assignee history
1993–1994Patents assigned to HAMPTON EDWARD J (2)· patent assignee history
1993Patents assigned to BADLANI MANOHAR L (1)· patent assignee history
1993Patents assigned to DONNELL WILLIAM J O (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ODONNELL & ASS | 8 | 1986–1989 |
| POROWSKI JAN Sself | 5 | 1993–1994 |
| HAMPTON EDWARD J | 2 | 1993–1994 |
| BADLANI MANOHAR L | 1 | 1993 |
| DONNELL WILLIAM J O | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Pittsburgh, Pennsylvania, US | 15 | 1986–1994 |