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Dallas, TX, United States of America

Gardner-Denver Company

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USPTO Granted Patents = 41

Trademarks = 6

Forward Citations = 574

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57 inventors (with patents filed for the assignee):

Michael G Herschler (4 out of 4 patents)

James R Mayer (3 out of 3 patents)

William Workman, Jr (3 out of 8 patents)

4. Frederick Karasinski (3 out of 4 patents)

5. Roger L Post (3 out of 3 patents)

6. John C Shoop (3 out of 3 patents)

7. Richard L Ertel (2 out of 2 patents)

8. James J Jameson (2 out of 7 patents)

9. Robert W Hisey (2 out of 3 patents)

10. Robert B Senior (2 out of 5 patents)

11. Walter N Christiansen (2 out of 2 patents)

12. John F Bryan (1 out of 19 patents)

13. Jens D Larsen (1 out of 1 patent)

14. Dieter K Palauro (1 out of 1 patent)

15. Jack D Smith (1 out of 1 patent)

Core Competencies:

Helical Screw Compressor

Control System

Hydraulic Tool

Drill Pipe Handling

Torque Controller

Drilling Rig

Insulation Stripping

Power Transmission

Cuttings Separation

Multi Speed Gear

Cable Guide

Portable Drill

41 patents: Sort by Forward Citations

1. D251759 - Trade exhibit structure and lighting therefor (1979-05-08),

2. 4147475 - Control system for helical screw compressor (1979-04-03),

3. 4128135 - Drill pipe handling mechanism (1978-12-05),

4. 4123203 - Multistage helical screw compressor with liquid injection (1978-10-31),

5. 4123188 - Control system for peck drilling tool (1978-10-31),

6. 4122731 - Multispeed gear transmission with plural inputs to internal gear (1978-10-31),

7. 4116093 - Drive mechanism for power ratchet wrench (1978-09-26),

8. 4102583 - Profile cutter (1978-07-25),

9. 4100982 - Drill cuttings separation and control apparatus (1978-07-18),

10. 4099428 - Cutting and insulation stripping apparatus for twisted wire pair (1978-07-11),

11. 4090688 - Low pressure shutoff valve for fluid operated tool (1978-05-23),

12. 4088289 - Mast support arrangement for portable drill rig (1978-05-09),

13. 4078618 - Torque controller shutoff mechanism (1978-03-14),

14. 4078459 - Long stroke turret control mechanism for automatic screw machine (1978-03-14),

15. 4076338 - Castering roller for a drill pipe guide bushing (1978-02-28),

Company Overview

Gardner-Denver Company, headquartered in Dallas, TX, specializes in the development and manufacturing of advanced industrial equipment and technologies. The company is renowned for its expertise in helical screw compressors, multispeed gear transmissions, and hydraulic rock drills, catering to various sectors including oil and gas, construction, and manufacturing. With a strong focus on innovation, Gardner-Denver also excels in power transmission and compressor control systems, ensuring efficient and reliable performance across its product offerings.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

41 Patents

#45 in Dallas, TX

#472 in Texas

#8,449 in US

#16,731 in the World

Dallas, TX, United States of America

Gardner-Denver Company

Forward Citations = 574

57 inventors:

Michael G Herschler (4 out of 4 patents)

James R Mayer (3 out of 3 patents)

William Workman, Jr (3 out of 8 patents)

4. Frederick Karasinski (3 out of 4 patents)

5. Roger L Post (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gardner-Denver Company. Retrieved from https://idiyas.com/company/gardner-denver-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]

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