O'Donnell & Associates, Inc.

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Pittsburgh, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for improving resistance of metal bodies to stress corrosio...
- Patent number 4,842,655
- Issue date Jun 27, 1989
- O'Donnell & Associates, Inc.
- Jan S. Porowski
- C21 - METALLURGY OF IRON
Information Patent Grant
Process and apparatus for obtaining a gas sample
- Patent number 4,817,441
- Issue date Apr 4, 1989
- O'Donnell & Associates, Inc.
- Jan S. Porowski
- G01 - MEASURING TESTING
Information Patent Grant
Tube expander
- Patent number 4,781,046
- Issue date Nov 1, 1988
- O'Donnell & Associates, Inc.
- Jan S. Porowski
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process for improving resistance of split pins to stress corrosion...
- Patent number 4,702,880
- Issue date Oct 27, 1987
- O'Donnell & Associates, Inc.
- Jan S. Porowski
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Mechanical stress improvement process
- Patent number 4,683,014
- Issue date Jul 28, 1987
- O'Donnell & Associates, Inc.
- Jan S. Porowski
- C21 - METALLURGY OF IRON
Information Patent Grant
Vibration free tubular apparatus and process for making same
- Patent number 4,662,434
- Issue date May 5, 1987
- O'Donnell & Associates, Inc.
- Jan S. Porowski
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Mechanical stress improvement process
- Patent number 4,612,071
- Issue date Sep 16, 1986
- O'Donnell & Associates, Inc.
- William J. O'Donnell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Pipelock
- Patent number 4,575,129
- Issue date Mar 11, 1986
- O'Donnell & Associates, Inc.
- Engelina Porowski
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipelock
- Patent number 4,572,548
- Issue date Feb 25, 1986
- O'Donnell & Associates, Inc.
- Jan S. Porowski
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Liquid detergents containing cellulose ethers stabilized by glycerol
- Patent number 4,566,993
- Issue date Jan 28, 1986
- O'Donnell & Associates, Inc.
- Isaac I. Secemski
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Expansion joint for reactor or heat exchanger
- Patent number 4,434,840
- Issue date Mar 6, 1984
- O'Donnell & Associates Inc.
- Janek S. Porowski
- F28 - HEAT EXCHANGE IN GENERAL

O'Donnell & Associates, Inc.

Organization

Patents Grantslast 30 patents

Process for improving resistance of metal bodies to stress corrosio...

Process and apparatus for obtaining a gas sample

Tube expander

Process for improving resistance of split pins to stress corrosion...

Mechanical stress improvement process

Vibration free tubular apparatus and process for making same

Mechanical stress improvement process

Pipelock

Pipelock

Liquid detergents containing cellulose ethers stabilized by glycerol

Expansion joint for reactor or heat exchanger

Patents Applicationslast 30 patents

Trademarklast 30 trademarks