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For the Inventor, By the Inventor

Manitowoc, WI, United States of America

Oil-Rite Corporation


USPTO Granted Patents = 33

% Expired Patents = 15.2


Trademarks = 10

Forward Citations = 296

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10 inventors (with patents filed for the assignee):

goldMedal Michael J Wech (15 out of 15 patents)

silverMedal Donald G Gruett (14 out of 14 patents)

bronzeMedal Scott D Wright (4 out of 4 patents)

4.  Frank J Lyden (4 out of 5 patents)

5.  Carolyn M Boldt (3 out of 3 patents)

6.  Joseph L Teresi (2 out of 2 patents)

7.  Shaun M Beauchamp (2 out of 2 patents)

8.  Jonathan J Krueger (2 out of 2 patents)

9.  William P Biaggio (1 out of 1 patent)

10.  Richard E Berrend (1 out of 4 patents)


Core Competencies:
Fluid Level Gauge
Lubrication System
Hydraulic Metering Device
Reservoir Assembly
Evacuation Valve
Fluid Injector Pump
Oiler Assembly
Fluid Flow Switch
Adjustable Fluid Level
Porous Rod Metering Valve
Piston and Drive Assembly
Filter Assembly

33 patents:

1. 11378437 - Fluid level gauge or reservoir with built-in light source (2022-07-05),
2. 10732019 - Fluid level gauge or reservoir with built-in light source (2020-08-04),
3. 10473223 - Evacuation valve (2019-11-12),
4. 10107451 - Fluid reservoir (2018-10-23),
5. 9557206 - Adjustable fluid level verification apparatus (2017-01-31),
6. 8157243 - Insert molded evacuation valve (2012-04-17),
7. 7975805 - Lubrication system (2011-07-12),
8. 7600984 - Hydraulic metering device (2009-10-13),
9. 7550689 - Reservoir assembly (2009-06-23),
10. 7118352 - Hydraulic metering device (2006-10-10),
11. 6928716 - Method for assembling a multi-piece apparatus (2005-08-16),
12. 6758092 - Fluid level verification apparatus (2004-07-06),
13. 6635836 - Housing contained fluid flow switch and indicator (2003-10-21),
14. 6532815 - Fluid level verification apparatus (2003-03-18),
15. 6478115 - Overhead conveyor lubrication apparatus and method (2002-11-12),
Company Overview
Oil-Rite Corporation, based in Manitowoc, Wisconsin, specializes in the design and manufacture of lubrication systems and related products. The company focuses on innovative solutions for various industries, including manufacturing, automotive, and food processing, ensuring efficient and reliable lubrication to enhance equipment performance and longevity. With a commitment to quality and engineering excellence, Oil-Rite serves a diverse clientele, providing tailored lubrication solutions that meet specific operational needs.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

33 Patents

#6 in Manitowoc, WI

#246 in Wisconsin

#10,309 in US

#20,162 in the World

Manitowoc, WI (US)
Manitowoc, WI, United States of America

Oil-Rite Corporation

Forward Citations = 296

10 inventors:

goldMedal Michael J Wech (15 out of 15 patents)

silverMedal Donald G Gruett (14 out of 14 patents)

bronzeMedal Scott D Wright (4 out of 4 patents)

4.  Frank J Lyden (4 out of 5 patents)

5.  Carolyn M Boldt (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Oil-Rite Corporation. Retrieved from https://idiyas.com/company/oil-rite

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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