Killark Electric Manufacturing Co.

Calculating rank

USPTO Granted Patents = 3

Trademarks = 2

Forward Citations = 119

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4 inventors (with patents filed for the assignee):

Edward J Falk (1 out of 16 patents)

Thomas E Gill (1 out of 1 patent)

Lawrence J Brombolich (1 out of 1 patent)

4. Rolland R Roots (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4664281 - Explosion proof enclosure (1987-05-12),

2. 4638297 - Remote signaling box (1987-01-20),

3. 4337972 - Panel board safety latch assembly (1982-07-06),

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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#399 in St. Louis, MO

#1,029 in Missouri

#73,929 in US

St. Louis, MO, United States of America

Killark Electric Manufacturing Co.

Forward Citations = 119

4 inventors:

Edward J Falk (1 out of 16 patents)

Thomas E Gill (1 out of 1 patent)

Lawrence J Brombolich (1 out of 1 patent)

4. Rolland R Roots (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Killark Electric Manufacturing Co.. Retrieved from https://idiyas.com/company/killark-electric-manufacturing-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]