Cleveland, OH, United States of America

Parker-Hannifin Corporation


USPTO Granted Patents = 1,696

% Expired Patents = 10.6



Trademarks = 189

Forward Citations = 20,425

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1,776 inventors (with patents filed for the assignee):

goldMedal Jason Scot Richardson (29 out of 30 patents)

silverMedal Michael H Bunyan (26 out of 30 patents)

bronzeMedal Bernard C Sharp (26 out of 27 patents)

4.  Hao Zhang (25 out of 26 patents)

5.  Xingen Dong (25 out of 28 patents)

6.  Walter H Stone (25 out of 28 patents)

7.  Brian B Slattery (21 out of 21 patents)

8.  Michael D Clausen (18 out of 25 patents)

9.  Jerry G Jelinek (18 out of 18 patents)

10.  Richard L Kenyon (16 out of 16 patents)

11.  John Loeffler (15 out of 15 patents)

12.  Steven R Knight (15 out of 25 patents)

13.  Adel B Mansour (15 out of 18 patents)

14.  Kenneth W Cornett (14 out of 15 patents)

15.  Steven R Huard (14 out of 14 patents)


Core Competencies:
Hydraulic Pump
Fluid Coupling
Actuator
Valve Assembly
Leak Detection
Electric Motor
Pressure Control
Air Conditioning
Sensor Technology
Thermostatic Expansion
Refrigerant Control
Filtration Systems

1,696 patents:

Company Overview
Parker-Hannifin Corporation, headquartered in Cleveland, Ohio, is a leading global manufacturer specializing in motion and control technologies. The company develops and produces a wide array of hydraulic systems, including hydraulic pumps, fluid couplings, actuators, and valve assemblies. Parker-Hannifin is also known for its innovations in leak detection, electric motors, and pressure control systems, catering to diverse industries such as aerospace, automotive, and industrial applications. Its commitment to engineering excellence drives advancements in air conditioning and fluid management solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Parker-Hannifin Corporation USPTO Patent Assignee Logo
1,696 Patents

#3 in Cleveland, OH

#10 in Ohio

#304 in US

#594 in the World

Cleveland, OH (US)
Cleveland, OH, United States of America
Forward Citations = 20,425

1,776 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Parker-Hannifin Corporation. Retrieved from https://idiyas.com/company/parker-hannifin

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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