Manufacturers Index - Automotive Maintenance Machinery Co. (AMMCO)
Automotive Maintenance Machinery Co. (AMMCO)
North Chicago, IL, U.S.A.
Company Website: http://www.hennessyind.com/
Manufacturer Class:
Metal Working Machinery
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
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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
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More information on how to configure your computer to view these patents can be
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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.
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1,522,720
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Jan. 13, 1925
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Cylinder-grinding tool
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Horace C. Heon |
Chicago, IL |
See also patent 1,774,711. |
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1,774,711
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Sep. 02, 1930
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Cylinder-grinding tool
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Horace C. Heon |
Chicago, IL |
Improvements to patent 1,522,720. |
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1,925,709
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Sep. 05, 1933
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Cylinder grinding tool
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Herman W. Zimmerman |
Chicago, IL |
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1,957,485
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May. 08, 1934
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Cylinder grinding tool adjusting mechanism
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Herman W. Zimmerman |
Chicago, IL |
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1,959,891
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May. 22, 1934
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Bearing hone
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Herman W. Zimmerman |
North Chicago, IL |
This tool is intended for honing piston wrist-pin bores. |
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1,987,457
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Jan. 08, 1935
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Cylinder grinding tool
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Herman W. Zimmerman |
Chicago, IL |
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2,002,971
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May. 28, 1935
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Reamer sharpener
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Herman W. Zimmerman |
Chicago, IL |
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2,007,490
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Jul. 09, 1935
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Ring filing structure
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Herman W. Zimmerman |
Chicago, IL |
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2,013,374
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Sep. 03, 1935
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Connecting rod alignment gauge
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Herman W. Zimmerman |
Chicago, IL |
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2,047,607
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Jul. 14, 1936
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Gauging Device
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Herman W. Zimmerman |
Chicago, IL |
Rector, Hibben, Davis & Macauly - patent attorneys
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D105,629
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Aug. 10, 1937
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Design for a wrench
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Herman W. Zimmerman |
North Chicago, IL |
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2,129,485
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Sep. 06, 1938
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Boring machine
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Herman W. Zimmerman |
Chicago, IL |
This machine is intended for "the precise fitting of piston pins", or wrist pins. |
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2,155,072
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Apr. 18, 1939
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Machine for sizing and finishing bores
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Herman W. Zimmerman |
North Chicago, IL |
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2,190,967
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Feb. 20, 1940
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Torque measuring wrench
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Herman W. Zimmerman |
Highland Park, IL |
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2,211,401
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Aug. 13, 1940
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Torque measuring wrench
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Herman W. Zimmerman |
Highland Park, IL |
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2,269,503
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Jan. 13, 1942
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Torque measuring wrench
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Herman W. Zimmerman |
Highland Park, IL |
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2,320,023
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May. 25, 1943
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Torque measuring wrench
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Herman W. Zimmerman |
Highland Park, IL |
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2,331,523
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Oct. 12, 1943
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Cylinder grinding tool
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Frederick G. Wacker |
Lake Forest, IL |
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2,391,183
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Dec. 18, 1945
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Centering means for boring machines
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Wallace F. Mitchell |
Chicago, IL |
"My invention relates generally to boring machines adapted for the boring of one or a plurality of so-called in-line bearings; and it has to do particularly with means for centering a boring bar relative to the bearing to be bored." |
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