For the Inventor, By the Inventor

Enter assignee name

Dallas, TX, United States of America

Gardner-denver Company

USPTO Granted Patents = 41

Trademarks = 7

Forward Citations = 572

Loading Chart...

Loading Chart...

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

Multispeed Gear Transmission

Drill Pipe Handling

Torque Controller

Hydraulic Rock Drill

Cutting Apparatus

Power Transmission

Compressor Control

Drilling Rig Mechanism

Insulation Stripping Tool

Fluid Operated Tool

Cable Guide

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),

Gardner Denver is a leading global provider of industrial equipment, technologies, and services for a wide range of industries including manufacturing, mining, and construction. With a history dating back to 1859, the company has a strong reputation for quality and innovation. Their products range from air compressors and blowers to pumps and vacuum solutions, all designed to improve efficiency and productivity for their customers.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

41 Patents

#44 in Dallas, TX

#471 in Texas

#8,160 in US

#16,204 in the World

Dallas, TX, United States of America

Gardner-denver Company

Forward Citations = 572

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)

Please report any incorrect information to support@idiyas.com

Loading…