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For the Inventor, By the Inventor

Menomonee Falls, WI, United States of America

C-R-O, Inc.


USPTO Granted Patents = 16

Trademarks = 1

Forward Citations = 193

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14 inventors (with patents filed for the assignee):

goldMedal Fredrick J Balfanz (5 out of 5 patents)

silverMedal Harry Hooper (2 out of 4 patents)

bronzeMedal Fred Balfanz (2 out of 2 patents)

4.  Elmer L Griebeler (2 out of 2 patents)

5.  August C Mingesz (2 out of 2 patents)

6.  Robert G Ludwigson (1 out of 3 patents)

7.  Shelby Cecil (1 out of 6 patents)

8.  Alfred Pfeuffer (1 out of 1 patent)

9.  Herbert Rudolf (1 out of 1 patent)

10.  James D Kellogg (1 out of 1 patent)

11.  Daryl Schuettpelz (1 out of 1 patent)

12.  James A Nelson (1 out of 1 patent)

13.  Thomas P O'Donnell (1 out of 1 patent)

14.  James A Howery (1 out of 1 patent)


16 patents:

1. 4595818 - Extraneous signal isolation apparatus for metal working machines (1986-06-17),
2. 4511977 - Punch marker height control (1985-04-16),
3. 4466069 - Flame cutting machine with lost cut re-establishment (1984-08-14),
4. 4436288 - Metal machining device with control circuit isolation (1984-03-13),
5. 4372538 - Metal cutting machine with cut piece pickup and transport magnets (1983-02-08),
6. 4316076 - Automatic speed control for seam welding (1982-02-16),
7. D261476 - Welding gun (1981-10-27),
8. 4289950 - Narrow gap welding apparatus (1981-09-15),
9. 4282763 - Compound oscillator (1981-08-11),
10. 4266989 - Cutting tool guiding system for metal cutting machines (1981-05-12),
11. 4255643 - Programmed welding machine with continuously monitored override control (1981-03-10),
12. 4234777 - Programmed welding machine with weld head speed override (1980-11-18),
13. 4205828 - Cutting of contour bevels (1980-06-03),
14. 4166941 - Guidance system for arc welder (1979-09-04),
15. 4132392 - Metal cutting machine with movable torch feeding system (1979-01-02),
Company Overview
C-R-O, Inc. is a specialized provider of advanced engineering solutions, focusing on the development and manufacturing of innovative products primarily for the automotive and aerospace sectors. The company leverages cutting-edge technology to enhance performance and safety in its offerings. With a commitment to quality and precision, C-R-O, Inc. serves a diverse clientele, contributing to advancements in vehicle design and functionality. Headquartered in Menomonee Falls, Wisconsin, the organization plays a vital role in the regional engineering landscape.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

16 Patents

#13 in Menomonee Falls, WI

#463 in Wisconsin

#19,907 in US

#37,788 in the World

Menomonee Falls, WI (US)
Menomonee Falls, WI, United States of America

C-R-O, Inc.

Forward Citations = 193

14 inventors:

goldMedal Fredrick J Balfanz (5 out of 5 patents)

silverMedal Harry Hooper (2 out of 4 patents)

bronzeMedal Fred Balfanz (2 out of 2 patents)

4.  Elmer L Griebeler (2 out of 2 patents)

5.  August C Mingesz (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: C-R-O, Inc.. Retrieved from https://idiyas.com/company/c-r-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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