Welcome! 

Register :: Login
Manufacturers Index - Hoern & Dilts, Inc.
Patents
This page contains information on patents issued to this manufacturer.

Submitting Patent Information

If you find a patent number or patent date by this manufacturer that is not on this list, please contact the Site Historian.


Key to Links for Patent Information

USPTO = U.S. Patent Office . Images of the actual patent can be viewed on the U.S. Patent Office web site but a special TIFF viewer must be installed with your browser in order properly work. More information on how to configure your computer to view these patents can be found at TIFF image Viewers for Patent Images.
DATAMP = Directory of American Tool And Machinery Patents . A sister site to VintageMachinery.org with information on patents related to machinery and tools. A much easier user interface than the USPTO's for finding information on machinery patents.

Patent Number Date Title Name City Description
1,900,112 Mar. 07, 1933 Grinding machine Joseph H. Hoern Saginaw, MI "This invention relates to machines for grinding the outside diameter of the head of headed articles such as poppet valves for internal combustion engines, and what is known as the 'mushroom' type of valve tappet, and other articles of similar nature."
1,910,767 May. 23, 1933 Method of making tappets Joseph H. Hoern Saginaw, MI
2,540,520 Feb. 06, 1951 Machine Joseph H. Hoern Birmingham, Oakland County, MI
2,633,777 Apr. 07, 1953 Indexing mechanism for station type machines Joseph H. Hoern Saginaw, MI
2,641,146 Jun. 09, 1953 Boring and Turning Machine Carl E. Dilts Saginaw, Saginaw County, MI
2,659,961 Nov. 24, 1953 Turning and Boring Machine Carl E. Dilts Saginaw, Saginaw County, MI
2,962,840 Dec. 06, 1960 Grinding apparatus Carl H. Werth Saginaw, MI
3,184,810 May. 25, 1965 Die casting and pressure molding machines Joseph H. Hoern Saginaw, MI The inventor died in 1962. He had been a partner in boring-machine maker Hoern & Dilts, Inc.