Klapwijk; Abraham
Patent Applications and Registrations
Patent applications and USPTO patent grants for Klapwijk; Abraham.The latest application filed is for "method for processing manure, fermented manure and ammonium nitrogen containing waste water".
- Klapwijk; Abraham - Bennekom NL
- Klapwijk; Abraham - Wageningen NL
| Patent | Date |
|---|---|
| Method for processing manure, fermented manure and ammonium nitrogen containing waste water Grant 5,296,147 - Koster , et al. March 22, 1 | 1994-03-22 |
| Method and apparatus for processing manure Grant 5,290,451 - Koster , et al. March 1, 1 | 1994-03-01 |
| Process for removing organic substances and nitrogen compounds from waste water Grant 4,183,809 - Klapwijk , et al. January 15, 1 | 1980-01-15 |
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