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For the Inventor, By the Inventor

Hilbert, WI, United States of America

Michael A Karls

This inventor holds 28 USPTO granted patents, primarily in Marine Propulsion Systems. Top assignee: Brunswick Corporation. Active years: 1983-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Michael A Karls. Retrieved from https://idiyas.com/inventor/michael-a-karls

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 28

% Patents Active = 96.4

Average Co-Inventor Count = 1.9

ph-index = 13

Forward Citations = 411(Granted Patents)


Company Filing History:

goldMedal28 out of 2,669 
 
Brunswick Corporation
 patents

Years Active: 1983-2004

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Areas of Expertise:
Cooling System
Marine Propulsion
Variable Pitch Propeller
Torque Transmitting Device
Water Inlet Structure
High Capacity Pump
Reverse Thrust
Propeller Clutch
Hydrodynamic Shifting
Weed Deflector
Position Control
Flushing Device
28 patents (USPTO):Explore Patents
1. 6733352 - Electronically controlled cooling system for a marine propulsion engine (2004-05-11),
2. 6478543 - Torque transmitting device for mounting a propeller to a propeller shaft of a marine propulsion system (2002-11-12),
3. 6146223 - Marine propulsion unit with water inlets in all quadrants of the front (2000-11-14),
4. 6068529 - Marine propulsion unit with dual water inlet structure (2000-05-30),
5. 5902160 - Twin propeller marine propulsion unit (1999-05-11),
6. 5791950 - Twin propeller marine propulsion unit (1998-08-11),
7. 5660536 - High capacity simplified sea water pump (1997-08-26),
8. 5484264 - Torsionally twisting propeller drive sleeve and adapter (1996-01-16),
9. 5470263 - Method and apparatus for improving reverse thrust of a marine drive (1995-11-28),
10. 5415575 - Marine drive propeller clutch (1995-05-16),
11. 5322416 - Torsionally twisting propeller drive sleeve (1994-06-21),
12. 5304079 - Supplemental remote mounted marine engine cooling system (1994-04-19),
13. 5290147 - Variable pitch marine propeller with shift biasing and synchronizing (1994-03-01),
14. 5263389 - Torque rated floating marine propeller wrench (1993-11-23),
15. 5244348 - Propeller drive sleeve (1993-09-14),

Title: **Innovator Spotlight: Michael A Karls of Brunswick Corporation**

Introduction

Michael A Karls is a distinguished inventor based in Hilbert, Wisconsin, known for his innovative contributions to marine propulsion systems. With an impressive portfolio of 28 patents, he has made significant strides in enhancing the efficiency and functionality of marine engines.

Latest Patents

Among his latest inventions is the "Electronically Controlled Cooling System for a Marine Propulsion Engine." This temperature regulation system features a flow-controlling valve situated at a location separate from the engine's cooling passages. The system leverages signals from temperature sensors directed to a microprocessor in the engine control module, allowing for optimized valve operation based on measured temperatures. Additionally, it offers features to cycle the valve to remove any debris, ensuring consistent performance under varying operational conditions.

Another notable patent is the "Torque Transmitting Device for Mounting a Propeller to a Propeller Shaft of a Marine Propulsion System." This device utilizes an adapter that ensures torque transmission between the propulsor shaft and the propeller hub. Its design incorporates resilient components that permit relative rotation, enhancing compliance under low torque while maintaining robust torque transmission capabilities at higher magnitudes.

Career Highlights

Michael A Karls is currently affiliated with Brunswick Corporation, a leader in marine propulsion technology. His work at Brunswick has solidified his reputation as an innovator in the field, where he has played a pivotal role in advancing technologies that improve marine engine efficiency and reliability.

Collaborations

Throughout his career, Michael has collaborated with notable colleagues, including Robert B Weronke and Roger E Koepsel, further enhancing the inventive landscape at Brunswick Corporation. These partnerships have fostered an environment of creativity and innovation, driving the development of cutting-edge marine technologies.

Conclusion

Michael A Karls' contributions to marine propulsion systems exemplify the spirit of innovation that drives the industry forward. His 28 patents reflect a commitment to enhancing marine technology, showcasing a blend of technical expertise and creative thinking. As he continues to push the boundaries of engineering, his work will undoubtedly inspire future generations of inventors in the field.

Profile summary based on public USPTO records.
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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