Y10S 422/904
Nitrogen fixation means
Y10S422/904 (Nitrogen fixation means) appears on 14 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 14
- Published applications
- 0
- Assignees
- 6
- Inventors
- 15
- Latest grant
- 2 Jun 1992
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for applying fixed nitrogen to plants2 Jun 1992US 5,117,579 A
- Method of and apparatus for treating waste gas by irradiation with electron beam14 May 1991US 5,015,443 AEbara Corporation
- Water-powdered piezoelectric unit for producing nitrogen fertilizer10 Apr 1990US 4,915,915 A
- Method of and apparatus for treating waste gas by irradiation with electron beam10 Apr 1990US 4,915,916 AEbara Corporation
- Nitrogen fixation by electric arc and catalyst31 Oct 1989US 4,877,589 A
No published applications in this class yet.
Most cited
By later US patents
- Production of nitric oxides97US 4,287,040 AG. D. Societa per Azioni · 1981
- Nitrogen fixation by electric arc and catalyst69US 4,877,589 A1989
- Multiple oxidation nitrogen fixation38US 4,705,670 A1987
- Water-powdered piezoelectric unit for producing nitrogen fertilizer19US 4,915,915 A1990
- Method of and apparatus for treating waste gas by irradiation with electron beam19US 4,915,916 AEbara Corporation · 1990