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For the Inventor, By the Inventor

Chicago, IL, United States of America

Chicago Metallic Corporation


USPTO Granted Patents = 32


Trademarks = 14

Forward Citations = 547

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17 inventors (with patents filed for the assignee):

goldMedal Peter G Jahn (9 out of 11 patents)

silverMedal Scott G Jankovec (8 out of 15 patents)

bronzeMedal James J Dunn (8 out of 8 patents)

4.  Martin D Jahn (7 out of 7 patents)

5.  Ronald W Vukmanic (7 out of 7 patents)

6.  Thomas E Smith (5 out of 7 patents)

7.  John S Borucki (5 out of 5 patents)

8.  Chester A Stanley (4 out of 4 patents)

9.  Mark A Fladeland (2 out of 6 patents)

10.  Loring M Johnson (1 out of 5 patents)

11.  Anthony D Ingratta (1 out of 2 patents)

12.  Richard W Harney (1 out of 1 patent)

13.  Peter P Urgero (1 out of 1 patent)

14.  Glenn F Balfanz, Jr (1 out of 1 patent)

15.  Thomas S Skrabis (1 out of 1 patent)


Core Competencies:
Ceiling Tile
Suspended Grid
Concealed System
Drywall Channel
Seismic Clip
Metal Panels
Zinc Alloy
Fire-Rated Runner
Staked-On Connectors
Open Cell Panel
Hold Down Clip
Parallel Beam

32 patents:

1. D727538 - Thin renovation ceiling tile cover for a blemished existing reveal ceiling tile (2015-04-21),
2. D715460 - Thin renovation ceiling tile cover for a blemished existing flat 2'×4′ ceiling tile (2014-10-14),
3. 8291667 - Accessible concealed suspended ceiling system (2012-10-23),
4. D658785 - Self-hanging tegular notched ceiling tile (2012-05-01),
5. 8117793 - Suspended ceiling grid assembly with separation joints (2012-02-21),
6. 8006454 - Suspended ceiling system (2011-08-30),
7. 7975448 - Drywall channel with pre-punched locating tabs (2011-07-12),
8. 7841149 - Concealed ceiling panel system (2010-11-30),
9. 7779593 - Wall angle with pre-punched locating tabs (2010-08-24),
10. 7762034 - Rotary stitch for joining sheet metal stock (2010-07-27),
11. 7752821 - Suspended ceiling system (2010-07-13),
12. 7552567 - Seismic perimeter clip for suspended ceiling grid (2009-06-30),
13. 5311719 - Metal panels for accessible concealed ceiling system (1994-05-17),
14. 5271202 - Suspended ceiling system with staked-on connectors (1993-12-21),
15. 5241799 - Open cell lay-in panel (1993-09-07),
Company Overview
Chicago Metallic Corporation is a prominent manufacturer specializing in high-quality bakeware and foodservice products. The company is known for its innovative designs and durable materials, catering to both commercial and residential markets. With a focus on enhancing culinary experiences, Chicago Metallic develops a range of products that support professional chefs and home bakers alike. The organization is headquartered in Chicago, IL, and serves a diverse clientele across various regions, emphasizing quality and performance in its offerings.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

32 Patents

#141 in Chicago, IL

#571 in Illinois

#10,599 in US

#20,671 in the World

Chicago, IL (US)
Chicago, IL, United States of America

Chicago Metallic Corporation

Forward Citations = 547

17 inventors:

goldMedal Peter G Jahn (9 out of 11 patents)

silverMedal Scott G Jankovec (8 out of 15 patents)

bronzeMedal James J Dunn (8 out of 8 patents)

4.  Martin D Jahn (7 out of 7 patents)

5.  Ronald W Vukmanic (7 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Chicago Metallic Corporation. Retrieved from https://idiyas.com/company/chicago-metallic

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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