Inventor
James Paul Harshman
Inventor
Bradenton, FL, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C02Fprimary
C02FTreatment of water, waste water, sewage, or sludge58%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests21%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management11%
B08BCleaning in general5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
8,968,646'Synergistic methods for odor control'20158,430,112'Slurry feed system and method'20137,799,224'Wastewater treatment methods'20107,799,215'Wastewater treatment systems'20107,326,340'System for controlling sulfide generation'20087,285,207'Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater'20077,186,341'Methods and apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater'20077,138,049'Apparatus for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater'20067,087,172'Methods for reducing nitrate demands in the reduction of dissolved and/or atmospheric sulfides in wastewater'20065,094,752'Aerobic wastewater treatment with alkalinity control'19925,013,442'Aerobic wastewater treatment with alkalinity control'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1992Patents assigned to DAVIS WATER & WASTE IND INC (2)· patent assignee history
1991–1992Based in Tallevast, FL, US· patent location history
2006Patents assigned to UNITED STATES FILTER CORP (2)· patent assignee history
2006–2015Based in Bradenton, FL, US· patent location history
2007–2008Patents assigned to SIEMENS WATER TECH HOLDG CORP (3)· patent assignee history
2010Patents assigned to SIEMENS WATER TECH CORP (2)· patent assignee history
2015Patents assigned to EVOQUA WATER TECHNOLOGIES LLC (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SIEMENS WATER TECH HOLDG CORP | 3 | 2007–2008 |
| DAVIS WATER & WASTE IND INC | 2 | 1991–1992 |
| SIEMENS WATER TECH CORP | 2 | 2010 |
| UNITED STATES FILTER CORP | 2 | 2006 |
| EVOQUA WATER TECHNOLOGIES LLC | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bradenton, Florida, US | 9 | 2006–2015 |
| Tallevast, Florida, US | 2 | 1991–1992 |