Growing community of inventors

Norwell, MA, United States of America

Richard J Petrillo

Average Co-Inventor Count = 1.46

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 = 291

Richard J PetrilloJohn Glenn Thompson (1 patent)Richard J PetrilloWilliam Thomas O'Connor (1 patent)Richard J PetrilloNan J Lin (1 patent)Richard J PetrilloNeville Andrews (1 patent)Richard J PetrilloWarren I Nissen (1 patent)Richard J PetrilloJoseph R DiMatteo (1 patent)Richard J PetrilloThomas A Anderberg (1 patent)Richard J PetrilloJohn Thompson (1 patent)Richard J PetrilloNan Jae Lin (1 patent)Richard J PetrilloRichard J Petrillo (9 patents)John Glenn ThompsonJohn Glenn Thompson (68 patents)William Thomas O'ConnorWilliam Thomas O'Connor (14 patents)Nan J LinNan J Lin (9 patents)Neville AndrewsNeville Andrews (8 patents)Warren I NissenWarren I Nissen (4 patents)Joseph R DiMatteoJoseph R DiMatteo (3 patents)Thomas A AnderbergThomas A Anderberg (2 patents)John ThompsonJohn Thompson (1 patent)Nan Jae LinNan Jae Lin (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Gillette Company (8 from 2,654 patents)

2. Other (1 from 832,680 patents)

3. John Thompson Limited (0 patent)

4. Richard J. Petrillo (0 patent)

5. Nan Jae Lin (0 patent)


9 patents:

1. D406604 - Writing instrument

2. D363739 - Pen

3. H001050 - Writing instrument

4. 5066156 - Writing instrument cap

5. 5056949 - Correction fluid dispenser with ball valve

6. 4932800 - Finger gripping device

7. D283140 - Writing instrument

8. 4389773 - Shaving implement

9. 4095746 - Self-supported water sweeper

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as of
12/5/2025
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