Growing community of inventors

Greenville, DE, United States of America

Willard A Denham

Average Co-Inventor Count = 2.12

ph-index = 10

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 = 571

Willard A DenhamGraham H Paterson (10 patents)Willard A DenhamChristopher G Miedzius (1 patent)Willard A DenhamCarmen J Lagarelli (1 patent)Willard A DenhamRodolfo J Viegener (1 patent)Willard A DenhamEmil Vulcu (1 patent)Willard A DenhamWillard A Denham (12 patents)Graham H PatersonGraham H Paterson (22 patents)Christopher G MiedziusChristopher G Miedzius (6 patents)Carmen J LagarelliCarmen J Lagarelli (4 patents)Rodolfo J ViegenerRodolfo J Viegener (2 patents)Emil VulcuEmil Vulcu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Speakman Company (12 from 48 patents)


12 patents:

1. D456493 - Multiple showerhead manifold

2. 6378790 - Shower head having a rubber/plastic face plate and a diverter valve using rubber sleeve back pressure activation

3. D431285 - Automatic faucet with mated housing

4. 6082407 - Automatic faucet assembly with mating housing and high endurance finish

5. 6029293 - Sensor assembly having flexibly mounted fiber optic proximity sensor

6. 5943713 - Sensor assembly having flexibly mounted sensor and adjustable mounting

7. 5918811 - Showerhead with variable spray patterns and internal shutoff valve

8. 5893387 - Gasketing and bleed means for an electrically controlled faucet assembly

9. 5771923 - Gasketing and bleed means for an electrically controlled faucet assembly

10. D381396 - Push button faucet

11. 5535781 - Push button flush activation system for urinal

12. 4651770 - Ceramic disc faucet valve

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as of
12/7/2025
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