Trademarks = 1

Forward Citations = 79

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2 inventors (with patents filed for the assignee):

Adolf H Martin (5 out of 13 patents)

Thomas M Hennessey (2 out of 2 patents)

6 patents: Sort by Forward Citations

1. 4847458 - Electric switch (1989-07-11),

2. 4822963 - Vandal resistant push button assembly (1989-04-18),

3. 4742198 - Push button assembly having an actuator subassembly fixed to the (1988-05-03),

4. 4728756 - Key switch having pivotable housing members and contact positioning posts (1988-03-01),

5. 4689456 - Key switch having cooperable cams which translate rotary motion to (1987-08-25),

6. 4504713 - Push button electrical switch assembly (1985-03-12),

Company Overview

Adams Elevator Equipment Company is a leading supplier of elevator and escalator parts and accessories. With over 95 years of experience, Adams Elevator provides high-quality products and exceptional customer service to elevator professionals worldwide. Their extensive inventory includes a wide range of parts for all major elevator manufacturers, ensuring quick and efficient delivery to their customers.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

6 Patents

#44 in Skokie, IL

#2,112 in Illinois

#45,007 in US

Skokie, IL, United States of America

Adams Elevator Equipment Company

Forward Citations = 79

2 inventors:

Adolf H Martin (5 out of 13 patents)

Thomas M Hennessey (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Adams Elevator Equipment Company. Retrieved from https://idiyas.com/company/adams-elevator-equipment-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]