Growing community of inventors

Oxford, CT, United States of America

Robert R Hellman, Sr

Average Co-Inventor Count = 1.45

ph-index = 8

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 280

Robert R Hellman, SrStewart A Burton (2 patents)Robert R Hellman, SrLina A Lawall (2 patents)Robert R Hellman, SrPeter J Mullen (1 patent)Robert R Hellman, SrStephen B Barrey (1 patent)Robert R Hellman, SrEphraim Wechsler (1 patent)Robert R Hellman, SrNadia Wechsler (1 patent)Robert R Hellman, SrRobert Adley (1 patent)Robert R Hellman, SrRobert R Hellman, Sr (15 patents)Stewart A BurtonStewart A Burton (4 patents)Lina A LawallLina A Lawall (2 patents)Peter J MullenPeter J Mullen (1 patent)Stephen B BarreyStephen B Barrey (1 patent)Ephraim WechslerEphraim Wechsler (1 patent)Nadia WechslerNadia Wechsler (1 patent)Robert AdleyRobert Adley (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (10 from 832,912 patents)

2. The Durham Manufacturing Company (2 from 14 patents)

3. Intelligent Designs, Inc. (2 from 2 patents)

4. Westport Development & Manufacturing Co., Inc. (1 from 2 patents)


15 patents:

1. 8127492 - Compound barrier mechanism for passageway control

2. 7712582 - Lifting device and method

3. D484554 - Aquatic treadmill

4. 5984442 - Cabinet and sliding drawer having improved features

5. 5927838 - Cabinet having simplified panel construction

6. 5636816 - Universal air conditioner mounting bracket and method

7. 5609047 - Garment steaming device with safety nozzle

8. 5445361 - Fluid flow valve

9. 5425261 - Method for forming thin-wall tubing

10. 5386644 - Hands free hair dryer and hair dryer accessory

11. 5320331 - Method and apparatus for forming corrugations in tubing and a corrugated

12. 5302789 - Snap switch having low resistance

13. 5279048 - Hands free hair dryer and hair dryer accessory

14. 5118121 - Compound gasket useful for high temperature, high pressure service

15. 4995549 - Method and apparatus for forming and welding thin-wall tubing

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1/13/2026
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