Forward Citations = 652

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4 inventors (with patents filed for the assignee):

Norman R McCombs (15 out of 44 patents)

John Schlaechter (2 out of 8 patents)

Edward E Vrana (2 out of 5 patents)

4. Ravinder K Bansal (1 out of 5 patents)

15 patents: Sort by Forward Citations

1. D284695 - Oxygen concentrator (1986-07-15),

2. D284026 - Oxygen concentrator (1986-05-27),

3. D282547 - Large capacity, modular, oxygen concentrator (1986-02-11),

4. 4561865 - Single bed pressure swing adsorption gas separation system (1985-12-31),

5. 4511377 - Apparatus for the production of oxygen (1985-04-16),

6. 4509959 - Modular industrial oxygen concentrator (1985-04-09),

7. D275045 - Combined bed and control unit for an industrial oxygen concentrator or (1984-08-07),

8. D273717 - Compact medical oxygen concentrator (1984-05-01),

9. 4378982 - Compact oxygen concentrator (1983-04-05),

10. 4373938 - Modular industrial oxygen concentrator (1983-02-15),

11. 4342573 - Compact oxygen concentrator (1982-08-03),

12. 4302224 - Compact oxygen concentrator (1981-11-24),

13. D261676 - Compact oxygen concentrator (1981-11-03),

14. 4263018 - Pressure swing adsorption process and system for gas separation (1981-04-21),

15. 4194890 - Pressure swing adsorption process and system for gas separation (1980-03-25),

Company Overview

Greene & Kellogg, Inc. is a specialized manufacturer based in Tonawanda, NY, focusing on high-quality components and systems for various industrial applications. The company is known for its expertise in engineering solutions that enhance operational efficiency and reliability across multiple sectors. With a commitment to innovation, Greene & Kellogg engages in advanced research and development, contributing to the evolution of technologies that support manufacturing and industrial processes. Its geographic presence underscores its role in the North American market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

15 Patents

#4 in Tonawanda, NY

#1,220 in New York

#21,068 in US

#39,959 in the World

Tonawanda, NY, United States of America

Greene & Kellogg, Inc.

Forward Citations = 652

4 inventors:

Norman R McCombs (15 out of 44 patents)

John Schlaechter (2 out of 8 patents)

Edward E Vrana (2 out of 5 patents)

4. Ravinder K Bansal (1 out of 5 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Greene & Kellogg, Inc.. Retrieved from https://idiyas.com/company/greene-and-kellogg

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]