Forward Citations = 27

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8 inventors (with patents filed for the assignee):

Allan J Heffron (2 out of 4 patents)

Gary L Baker (2 out of 3 patents)

Leverne H Kennedy (1 out of 1 patent)

4. Henry J Garnaat (1 out of 1 patent)

5. Laverne H Kennedy (1 out of 1 patent)

6. Samuel M Worthington (1 out of 1 patent)

7. John E Logue (1 out of 1 patent)

8. Arthur F Lubiarz (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 4859125 - Helical broach puller (1989-08-22),

2. 4638537 - Concise quick release tool holder (1987-01-27),

3. 4612690 - Multiple spindle machine tool (1986-09-23),

4. 4528876 - Universal single spindle pin crankshaft lathe (1985-07-16),

5. 4080852 - Method and apparatus for machining crankshafts (1978-03-28),

6. 4044638 - Crankshaft machine stock and chuck apparatus (1977-08-30),

Company Overview

Crankshaft Machine Company is a leading manufacturer of high-quality crankshaft machining equipment. With over 50 years of experience in the industry, our machines are used by automotive, marine, and industrial manufacturers worldwide. Our innovative technology and precision engineering ensure efficient and reliable production processes for our clients.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#16 in Jackson, MI

#1,526 in Michigan

#45,007 in US

Jackson, MI, United States of America

Crankshaft Machine Company

Forward Citations = 27

8 inventors:

Allan J Heffron (2 out of 4 patents)

Gary L Baker (2 out of 3 patents)

Leverne H Kennedy (1 out of 1 patent)

4. Henry J Garnaat (1 out of 1 patent)

5. Laverne H Kennedy (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Crankshaft Machine Company. Retrieved from https://idiyas.com/company/crankshaft-machine-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]