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Silver Spring, MD, United States of America

John W Gardner

Average Co-Inventor Count = 1.50

ph-index = 5

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 = 138

John W GardnerEldon W Ziegler (2 patents)John W GardnerJohn W Anhalt (1 patent)John W GardnerRobert H Hoffman, Jr (1 patent)John W GardnerEdward L Gallagher (1 patent)John W GardnerEdward Wyatt (1 patent)John W GardnerJohn W Gardner (9 patents)Eldon W ZieglerEldon W Ziegler (7 patents)John W AnhaltJohn W Anhalt (32 patents)Robert H Hoffman, JrRobert H Hoffman, Jr (4 patents)Edward L GallagherEdward L Gallagher (2 patents)Edward WyattEdward Wyatt (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (4 from 832,843 patents)

2. Figgie International, Inc. (2 from 147 patents)

3. Noise Cancellation Technologies, Inc. (2 from 73 patents)

4. A-t-o Inc. (1 from 98 patents)


9 patents:

1. 11361285 - Method and system of preventing duplicate check presentation

2. 6155359 - Vehicle mounted post hole digger

3. 5167680 - Vacuum cleaner bag assembly

4. 5126681 - In-wire selective active cancellation system

5. 5097923 - Active sound attenation system for engine exhaust systems and the like

6. D314719 - Heat and smoke detector

7. 4973999 - Film handling arrangements for sheet film view cameras and the like

8. 4431244 - Electrical connector with integral latch

9. 4154189 - Manual release and test apparatus for alarm system

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idiyas.com
as of
12/25/2025
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