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Class Information
Number: 71/21
Name: Chemistry: fertilizers > Processes and products > Organic material-containing > From animal matter > Guano, stable manure, etc.
Description: and including guano and animal excretions, generally, as the only types of animal matter present. Other organic fertilizer values, except animal matter such as classified below, may also be present.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4218233 |
Method for deodorizing poultry houses |
Aug. 19, 1980 |
| 4201128 |
Apparatus for the compacting and treatment of materials such as shredded paper |
May. 6, 1980 |
| 4193786 |
Process and apparatus for producing compost |
Mar. 18, 1980 |
| 4160656 |
Process for deodorizing liquid manure and removing harmful gases |
Jul. 10, 1979 |
| 4149870 |
Process for manufacturing deodorized fertilizer |
Apr. 17, 1979 |
| 4134749 |
Organic waste material digestion apparatus and system |
Jan. 16, 1979 |
| 4117175 |
Process for recovering nutrients from cattle manure |
Sep. 26, 1978 |
| 4108625 |
Method of, and apparatus for producing fertilizer by utilizing earthworms |
Aug. 22, 1978 |
| 4104048 |
Manure treating process |
Aug. 1, 1978 |
| 4082532 |
Process for making extruded cattle manure pellets |
Apr. 4, 1978 |
| 4078094 |
Process for producing an animal feed and fertilizer ingredient from animal manure |
Mar. 7, 1978 |
| 4065287 |
Methanol treated activated sludge as an agricultural chemical carrier |
Dec. 27, 1977 |
| 4040810 |
Apparatus and method for treating waste products |
Aug. 9, 1977 |
| 4023954 |
Method of producing high protein fertilizers and bird and stock feed from waste |
May. 17, 1977 |
| 4006005 |
Phosphate enriched manure fertilizer and method therefor including free amino acid supplementation |
Feb. 1, 1977 |
| 3971720 |
Method of and apparatus for processing cattle excrement |
Jul. 27, 1976 |
| 3959135 |
Dewatering of slurries |
May. 25, 1976 |
| 3950562 |
Process and apparatus for removing ash and inorganic compounds from cattle manure |
Apr. 13, 1976 |
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