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For the Inventor, By the Inventor

Troy, MI, United States of America

Ex-Cell-O Gmbh


USPTO Granted Patents = 299

% Expired Patents = 2.3


Trademarks = 1

Forward Citations = 3,376

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249 inventors (with patents filed for the assignee):

goldMedal Robert E Lisiecki (20 out of 31 patents)

silverMedal Victor F Dzewaltowski (10 out of 14 patents)

bronzeMedal Ivan L Kauffman (10 out of 16 patents)

4.  Paul Fitzpatrick (9 out of 10 patents)

5.  James W Hendry (9 out of 13 patents)

6.  Jerome R Bradley (9 out of 9 patents)

7.  Robert M Halvorsen (8 out of 15 patents)

8.  Keith W Nord (7 out of 9 patents)

9.  Gregory F Long (7 out of 8 patents)

10.  Edmund R Hinman (7 out of 10 patents)

11.  John D Gray (6 out of 64 patents)

12.  Lawrence I Millay (6 out of 9 patents)

13.  John M Check (6 out of 12 patents)

14.  Daniel J Wise (6 out of 7 patents)

15.  Richard H Gile (5 out of 7 patents)


Core Competencies:
Machine Tool
Tool Changing System
Cold Forming Machine
Electrical Discharge Machining
Multi-Spindle Machine
Injection Molding
Composite Products
Fuel Injector
Mold Method
Grinding
Fluid Control Valve
Positioning Systems

299 patents:

1. 8192115 - Machine tool with at least one sliding door (2012-06-05),
2. 7475469 - Process of producing profiles, more particularly, profiled tracks for joint parts (2009-01-13),
3. 7442154 - Machine tool and a method for changing the tool in a machine tool (2008-10-28),
4. 7384221 - Machine tool (2008-06-10),
5. 7353679 - Coldforming machine (2008-04-08),
6. 7337521 - Machine tool, transfer machine tool, and method for the machining of a workpiece (2008-03-04),
7. 7331099 - Machine tool and method for the correction or compensation of different tool lengths in a machine tool (2008-02-19),
8. 7229397 - Tool changing device for a machine tool and method for changing tools on a machine tool (2007-06-12),
9. 7124666 - Multiple spindle machine tool (2006-10-24),
10. 7051565 - Cold forming machine (2006-05-30),
11. 7048679 - Tool-changing system (2006-05-23),
12. 6752571 - Feed system (2004-06-22),
13. 6343899 - Machine tool (2002-02-05),
14. 6315503 - Feed system for a rotating cutting tool (2001-11-13),
15. 6296599 - Machine-tool (2001-10-02),
Company Overview
Ex-Cell-O GmbH, headquartered in Troy, MI, specializes in advanced machine tool technology, focusing on the development and manufacturing of precision machinery. The company is known for its innovative solutions in tool changing systems, cold forming machines, and electrical discharge machining. Additionally, Ex-Cell-O offers expertise in multi-spindle machines, injection molding, and composite products, catering to diverse industries including automotive and aerospace. Their commitment to quality and technological advancement positions them as a key player in the machine tool sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Ex-Cell-O Gmbh USPTO Patent Assignee Logo
299 Patents

#4 in Troy, MI

#64 in Michigan

#1,466 in US

#2,992 in the World

Troy, MI (US)
Troy, MI, United States of America

Ex-Cell-O Gmbh

Forward Citations = 3,376

249 inventors:

goldMedal Robert E Lisiecki (20 out of 31 patents)

silverMedal Victor F Dzewaltowski (10 out of 14 patents)

bronzeMedal Ivan L Kauffman (10 out of 16 patents)

4.  Paul Fitzpatrick (9 out of 10 patents)

5.  James W Hendry (9 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ex-Cell-O Gmbh. Retrieved from https://idiyas.com/company/ex-cell-o

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]
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