Growing community of inventors

Milford, MI, United States of America

John B Delphia

Average Co-Inventor Count = 1.15

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 = 259

John B DelphiaJack K Hall (1 patent)John B DelphiaRonald E Chandler (1 patent)John B DelphiaLouis Heilenah (1 patent)John B DelphiaJohn B Delphia (9 patents)Jack K HallJack K Hall (1 patent)Ronald E ChandlerRonald E Chandler (1 patent)Louis HeilenahLouis Heilenah (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (7 from 832,812 patents)

2. Hoover Universal, Inc. (1 from 274 patents)

3. Chivas Products Limited (1 from 25 patents)


9 patents:

1. 7537263 - Visor assembly for a vehicle

2. 7163012 - Diving snorkel assembly including a casing

3. 5468050 - Vehicle seat assembly with unitary frame structure

4. 5239990 - Snorkel with floating intake valve

5. 5143059 - Water trap for a snorkel

6. 4867498 - Overhead console assembly

7. 4655212 - Fresh-air snorkel

8. 4610246 - Snorkel valve assembly

9. 4095592 - Double breath divers valve

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as of
12/21/2025
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