Research at the California Academy of Sciences

Carl Austin Rietz

Rietz Manufacturing Timeline

A Short Biography of Carl Austin Rietz home

Compiled from Rietz Archive @ CAS Library



Aug. 1931
The first disintegrator designed by Rietz built and shipped from Pacific Pumping Company while Rietz employed by Westco Pumping Company.
1932 Two additional disintegrators produced and shipped from Pacific Pumping Co.
1933-35 Enterprise Engineering Company formed by Rietz. Four disintegrators built at Enterprise Foundry Corporation, 2902 Folsom Street, San Francisco. A separate design office, Hershel-Rietz, maintained by Rietz for developing new disintegrator designs located in the Call Building, San Francisco.
Jan. 31, 1935 Agreement between Rietz and Enterprise Foundry Corp. designating Enterprise as exclusive manufacturer and seller of Rietz Disintegrators.
April 1, 1936 Above agreement terminated and replaced by non-exclusive license agreement to manufacture and sell disintegrators under the name "Enterprise Disintegrator." Agreement is again terminated upon reaching sales of $50,000.
1938-41

Rietz forms his own company, Process Machinery Company, to manufacture and sell disintegrators. Three successive locations in San Francisco: 329 Tehama Street, 324 Langton Street, and 950 Bryant Street.

July 26, 1939 License agreement with Enterprise Foundry Corp. terminated.
March 25, 1941 Rietz purchases Jos. Wagner Company (est. in 1867) located at 441 Folsom Street, San Francisco, for $15,000 plus $10 for the machinery. "Process Machinery Co." and "Technalectric Co." become divisions of Jos. Wagner Company.
Jan. 20, 1948 The Jos. Wagner Company is incorporated by Rietz.
May 2, 1949 Jos. Wagner Company is renamed Rietz Manufacturing Company.
1949 Marin Steel Company established in Old Capital Fish Co. at McNears Point, San Rafael, California, to manufacture Rietz products.
Jan. 3, 1951 Property at 150 Todd Road, Santa Rosa, California, purchased.
August 1951 Rietz Manufacturing Company moves to Santa Rosa. The main office is completed in Jan. 1952.
1954 Rietz Disintegrator first produced in England.
1956 Property purchased for Westchester, Pennsylvania, office.
1962 P and L Machine Company located in Anaheim, California, purchased.
Sept. 19, 1965 Death of Carl Rietz; Rietz Manufacturing becomes employee owned and managed.

 


Click on a link below to return to the Carl Austin Rietz biography.
CAS Home