Robert R. Hellman Sr.

Person

Oxford, CT, US

People

Patents Grantslast 30 patents

Information Patent Grant
Aquatic treadmill
- Patent number D484554
- Issue date Dec 30, 2003
- Robert R. Hellman
- D21 - Games, toys, and sports goods
Information Patent Grant
Cabinet and sliding drawer having improved features
- Patent number 5,984,442
- Issue date Nov 16, 1999
- The Durham Manufacturing Company
- Robert R. Hellman
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Cabinet having simplified panel construction
- Patent number 5,927,838
- Issue date Jul 27, 1999
- The Durham Manufacturing Company
- Robert R. Hellman
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Universal air conditioner mounting bracket and method
- Patent number 5,636,816
- Issue date Jun 10, 1997
- Burton; Stewart A.
- Stewart A. Burton
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Fluid flow valve
- Patent number 5,445,361
- Issue date Aug 29, 1995
- Hellman, Sr.; Robert R.
- Robert R. Hellman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method for forming thin-wall tubing
- Patent number 5,425,261
- Issue date Jun 20, 1995
- Hellman, Sr.; Robert R.
- Robert R. Hellman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hands free hair dryer and hair dryer accessory
- Patent number 5,386,644
- Issue date Feb 7, 1995
- Intelligent Designs, Inc.
- Lina A. Lawall
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Method and apparatus for forming corrugations in tubing and a corru...
- Patent number 5,320,331
- Issue date Jun 14, 1994
- Robert R. Hellman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Hands free hair dryer and hair dryer accessory
- Patent number 5,279,048
- Issue date Jan 18, 1994
- Intelligent Designs, Inc.
- Lina A. Lawall
- A45 - HAND OR TRAVELLING ARTICLES
Information Patent Grant
Compound gasket useful for high temperature, high pressure service
- Patent number 5,118,121
- Issue date Jun 2, 1992
- Robert R. Hellman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method and apparatus for forming and welding thin-wall tubing
- Patent number 4,995,549
- Issue date Feb 26, 1991
- Robert R. Hellman
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Lifting Device And Method
- Publication number 20070295562
- Publication date Dec 27, 2007
- Stewart A. Burton
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Aquatic treadmill with reversible orientations
- Publication number 20030130095
- Publication date Jul 10, 2003
- Robert R. Hellman,
- A63 - SPORTS GAMES AMUSEMENTS

Robert R. Hellman Sr.

Person

Patents Grantslast 30 patents

Aquatic treadmill

Cabinet and sliding drawer having improved features

Cabinet having simplified panel construction

Universal air conditioner mounting bracket and method

Fluid flow valve

Method for forming thin-wall tubing

Hands free hair dryer and hair dryer accessory

Method and apparatus for forming corrugations in tubing and a corru...

Hands free hair dryer and hair dryer accessory

Compound gasket useful for high temperature, high pressure service

Method and apparatus for forming and welding thin-wall tubing

Patents Applicationslast 30 patents

Lifting Device And Method

Aquatic treadmill with reversible orientations