Growing community of inventors

Brighton, MI, United States of America

John A Hoffman

Average Co-Inventor Count = 3.55

ph-index = 7

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 = 92

John A HoffmanJohn M Antos (8 patents)John A HoffmanCharles L Sargent (5 patents)John A HoffmanArthur W Henke (3 patents)John A HoffmanFrank T Sargent (2 patents)John A HoffmanJohn T Cameron (2 patents)John A HoffmanJohn Robert Selina (1 patent)John A HoffmanKenneth J Hall (1 patent)John A HoffmanErin J Lindsay (1 patent)John A HoffmanKevin B Chlebek (1 patent)John A HoffmanOrlando Bessey (1 patent)John A HoffmanJohn A Hoffman (9 patents)John M AntosJohn M Antos (45 patents)Charles L SargentCharles L Sargent (36 patents)Arthur W HenkeArthur W Henke (12 patents)Frank T SargentFrank T Sargent (23 patents)John T CameronJohn T Cameron (4 patents)John Robert SelinaJohn Robert Selina (35 patents)Kenneth J HallKenneth J Hall (7 patents)Erin J LindsayErin J Lindsay (5 patents)Kevin B ChlebekKevin B Chlebek (3 patents)Orlando BesseyOrlando Bessey (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Thetford Corporation (8 from 123 patents)

2. E-z Pak, Inc. (1 from 1 patent)


9 patents:

1. 5875499 - Recreational vehicle toilet with flush nozzle deflector shield

2. 5318275 - Portable waste holding tank with improved inlet valve assembly

3. 4769860 - Portable toilet holding tank spout

4. 4641383 - Portable toilet holding tank spout

5. D262051 - Portable toilet

6. D257385 - Toilet

7. 4217668 - Portable toilet

8. 4180876 - Portable toilets

9. 4171588 - Plastic carrying case for a fishing rod and reel

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idiyas.com
as of
12/15/2025
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