Growing community of inventors

Chesterfield, VA, United States of America

John M Campbell

Average Co-Inventor Count = 1.90

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 = 813

John M CampbellRobert L Ripley (3 patents)John M CampbellSusan E Wrenn (2 patents)John M CampbellGrier S Fleischhauer (2 patents)John M CampbellWilliam J Crowe (2 patents)John M CampbellRobert E Lee (2 patents)John M CampbellJay A Fournier (1 patent)John M CampbellCharles T Higgins (1 patent)John M CampbellF Murphy Sprinkel, Jr (1 patent)John M CampbellJohn Bryant Paine, Iii (1 patent)John M CampbellMichael L Watkins (1 patent)John M CampbellMary Ellen Counts (1 patent)John M CampbellWillie G Houck, Jr (1 patent)John M CampbellD Bruce Losee (1 patent)John M CampbellDavid E Sharpe (1 patent)John M CampbellPatrick H Hayes (1 patent)John M CampbellJoseph L Banyasz (1 patent)John M CampbellAshok H Solanky (1 patent)John M CampbellBrett W Stevenson (1 patent)John M CampbellCharles Edwin Thomas, Jr (1 patent)John M CampbellWoontung G Chan (1 patent)John M CampbellRobert Pandorf (1 patent)John M CampbellWendy Marin Weiner (1 patent)John M CampbellAubry T Burton (1 patent)John M CampbellDonald Bruce Losee (1 patent)John M CampbellChristopher O'Brien Wheeler (1 patent)John M CampbellSteven J Larson (1 patent)John M CampbellJohn M Campbell (10 patents)Robert L RipleyRobert L Ripley (15 patents)Susan E WrennSusan E Wrenn (39 patents)Grier S FleischhauerGrier S Fleischhauer (35 patents)William J CroweWilliam J Crowe (19 patents)Robert E LeeRobert E Lee (11 patents)Jay A FournierJay A Fournier (54 patents)Charles T HigginsCharles T Higgins (41 patents)F Murphy Sprinkel, JrF Murphy Sprinkel, Jr (33 patents)John Bryant Paine, IiiJohn Bryant Paine, Iii (32 patents)Michael L WatkinsMichael L Watkins (27 patents)Mary Ellen CountsMary Ellen Counts (26 patents)Willie G Houck, JrWillie G Houck, Jr (24 patents)D Bruce LoseeD Bruce Losee (19 patents)David E SharpeDavid E Sharpe (12 patents)Patrick H HayesPatrick H Hayes (12 patents)Joseph L BanyaszJoseph L Banyasz (9 patents)Ashok H SolankyAshok H Solanky (9 patents)Brett W StevensonBrett W Stevenson (5 patents)Charles Edwin Thomas, JrCharles Edwin Thomas, Jr (4 patents)Woontung G ChanWoontung G Chan (3 patents)Robert PandorfRobert Pandorf (3 patents)Wendy Marin WeinerWendy Marin Weiner (2 patents)Aubry T BurtonAubry T Burton (1 patent)Donald Bruce LoseeDonald Bruce Losee (1 patent)Christopher O'Brien WheelerChristopher O'Brien Wheeler (1 patent)Steven J LarsonSteven J Larson (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Philip Morris Inc. (4 from 759 patents)

2. Philip Morris USA Inc. (2 from 732 patents)

3. Other (1 from 832,843 patents)


10 patents:

1. 7392809 - Electrically heated cigarette smoking system lighter cartridge dryer

2. D483915 - Brush cleaning unit

3. D469962 - Brush cleaning unit

4. 6116247 - Cleaning unit for the heater fixture of a smoking device

5. 5613505 - Inductive heating systems for smoking articles

6. 5154192 - Thermal indicators for smoking articles and the method of application of

7. D322854 - Finger tap releasable tourniquet

8. D312812 - Battery cable connector clamp

9. 4819956 - Convertible sidecar/trailer

10. D245635 - Combined golf ball and model aircraft engine novelty device

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idiyas.com
as of
12/29/2025
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