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Portland, OR, United States of America

James H Lenhart, Jr

USPTO Granted Patents = 7 (Patent Applications = 3)

Average Co-Inventor Count = 2.9

ph-index = 7

Forward Citations = 186(Granted Patents)

Location History:

Portland, OR (US) (2000 - 2012)
Protland, OR (US) (2012)

Company Filing History:

Contech Stormwater Solutions Inc.

Stormwater Treatment LLC

Stormwater Management

Contech Engineered Solutions LLC

Years Active: 2000-2012

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8318015 - Stormwater filtration systems (2012-11-27),

2. 8216479 - Stormwater filter and mount assembly (2012-07-10),

3. 8110105 - Stormwater filtration systems (2012-02-07),

4. 7419591 - Filter cartridge with check valve protection (2008-09-02),

5. 7214311 - Filter cartridge with check valve protection (2007-05-08),

6. 6649048 - Filter cartridge with regulated surface cleaning mechanism (2003-11-18),

7. 6027639 - Self-cleaning siphon-actuated radial flow filter basket (2000-02-22),

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