1
Conner Jesse R: Method of making wastes non-polluting and disposable. Chemfix, Brown Murray Flick & Peckham, September 24, 1974: US3837872 (105 worldwide citation)

An aqueous solution of an alkali metal silicate is mixed with waste material and a silicate setting agent to cause the silicate and setting agent to react with each other. The proportions of the silicate and setting agent are such that the reaction converts the mixture into a consolidated chemically ...


2
Metzger James B: Method for the utilization of organic waste material. January 16, 1973: US3711392 (100 worldwide citation)

Biodegradable waste materials are utilized by forming a suspension in a fermentation tank of comminated waste materials mixed with a microbiological system of a plurality of selected types of microorganisms under conditions to decompose the waste materials. After sufficient microbial metabolic actio ...


3
Kawashima Norihiro, Kameda Takashi, Kataoka Shigenori, Noma Koichi, Tajima Eikichi, Ikegami Hidehumi: Method and apparatus for treating medical wastes.. Kawasaki Heavy, October 30, 1991: EP0454122-A2 (46 worldwide citation)

Medical wastes (6) are placed in a medical waste container (4) which is then placed in a closed apparatus body (3). The container is heated by a heater so that the medical wastes (6) are sterilized and melted or softened. The container (4) containing the medical wastes (6) is then compressed and mol ...


4
Swallert Sven Arild: Destruction device for hospitals. Electrolux, June 29, 1971: US3589276 (43 worldwide citation)

A destruction device for hospitals, especially for destruction of expendable articles made of e.g. glass, plastic material, paper and metal, comprising a grinding device for grinding the articles between mutually rotating discs into small particles, as powder, and passing the powder under the influe ...


5
Harada Yoshiaki, Futagawa Michio: Production of fuel gas. Osaka Gas, October 17, 2000: JP2000-290670 (42 worldwide citation)

PROBLEM TO BE SOLVED: To produce a methane-based fuel by treating organic wastes with a high gasification efficiency and at the same time, to recover energy in the form of electricity, heat or the like. SOLUTION: Fuel gas is produced by the method comprising (1) a process in which liquid organic mat ...


6
Longo Joseph F: Compaction apparatus. International Dynetics Corporation, May 25, 1971: US3580166 (40 worldwide citation)

A waste compactor includes a horizontally extending compacting chamber with a cantilevered open-ended front section closed by an openable first gate and a chute communicating with a rear upper feed opening. A ram is hydraulically motivated along the chamber between advanced, retracted and intermedia ...


7
Quinto Mario J: Refuse compacting device. March 20, 1973: US3721060 (39 worldwide citation)

A refuse compactor easily positioned under existing refuse chutes and allowing the refuse collecting, compacting and packaging steps to be performed along a single vertical axis. The compactor incorporates at least one horizontally disposed movable door functioning as a compacting ram, with an open ...


8
Kameda Takashi, Kataoka Shigenori, Noma Koichi: Method of and apparatus for treating infectious medical wastes.. Kawasaki Heavy, January 13, 1993: EP0522231-A1 (38 worldwide citation)

There is disclosed a method of treating medical wastes composed mainly of plastics materials, in which microwaves are applied to the medical wastes, and also circulating hot air is applied to the medical wastes, and preferably the microwaves are applied to the medical wastes in a concentrated manner ...


9
DeFilippi Quinto: Refuse disposal apparatus. January 21, 1975: US3861117 (35 worldwide citation)

The following specification discloses an apparatus for location within restaurants, stores, warehouses, apartment buildings, and the like for shredding and packing refuse into bag-like containers. The apparatus includes a sealing means for sealing the container air-tight to insure that all odours em ...


10
Anthony Frank H Jr: Sterilization and separation of plastic and non-plastic medical wastes. Anthony Frank H Jr, February 21, 1996: EP0697271-A1 (34 worldwide citation)

Medical waste products including plastic and non-plastic elements are placed in a metal container (26) which includes a raised insert element (27) for supporting the waste above the bottom of the container. The container and used medical waste products are subjected to dry heat treatment at temperat ...