Karl J Grajkowski

This inventor holds 13 USPTO granted patents and 3 published patent applications, plus 4 CIPO patents and 4 EPO patents, primarily in Vehicle Control Systems. Top assignee: Polaris Industries Inc.. Active years: 2013-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Karl J Grajkowski. Retrieved from https://idiyas.com/inventor/karl-j-grajkowski

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

Calculating rank

USPTO Granted Patents = 13 (Patent Applications = 3)

% Patents Active = 100.0

CIPO Patents = 4 (Patent Applications = 4)

EPO Patents = 4 (Patent Applications = 4)

Average Co-Inventor Count = 6.1

ph-index = 7

Forward Citations = 309(Granted Patents)

Company Filing History:

13 out of 973

Polaris Industries Inc.

patents

Years Active: 2013-2025

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Areas of Expertise:

Vehicle Operation

Adjustable Performance

Diagnostic Systems

Continuously Variable Transmission

Electronic Throttle Control

Primary Clutch

CVT

Vehicle Supervision

13 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12447943 - Device and method for supervising and modifying vehicle operation (2025-10-21),

2. 12391116 - Adjustable performance for a vehicle (2025-08-19),

3. 12118835 - Diagnostic systems and methods of a continuously variable transmission (2024-10-15),

4. 11390262 - Device and method for supervising and modifying vehicle operation (2022-07-19),

5. 10933744 - Electronic throttle control (2021-03-02),

6. 10672207 - Diagnostic systems and methods of a continuously variable transmission (2020-06-02),

7. 10086698 - Electronic throttle control (2018-10-02),

8. 9429235 - Primary clutch electronic CVT (2016-08-30),

9. 9381810 - Electronic throttle control (2016-07-05),

10. 9162573 - Electronic throttle control (2015-10-20),

11. 9151384 - Primary clutch electronic CVT (2015-10-06),

12. 8682550 - Primary clutch electronic CVT (2014-03-25),

13. 8534397 - Electronic throttle control (2013-09-17),

Title: Innovations by Karl J Grajkowski

Introduction

Karl J Grajkowski is an accomplished inventor based in Hudson, WI (US). He holds a total of 13 patents that showcase his contributions to vehicle technology and safety. His work primarily focuses on enhancing vehicle operation and ensuring user safety through innovative designs.

Latest Patents

One of Grajkowski's latest patents is a device and method for supervising and modifying vehicle operation. This vehicle control system includes an engine control unit with at least one processor, a vehicle network, and a handheld wireless device equipped with a GPS module. The system also features a gauge that communicates vehicle operating parameters to the user. The software within the system is designed to create a boundary map for normal vehicle operation, placing the vehicle in a degraded mode if it moves outside this boundary. Another significant patent involves adjustable performance for recreational vehicles, which utilizes a seatbelt sensor to detect seatbelt engagement. This system automatically limits the vehicle's maximum speed if the seatbelt is disengaged, enhancing safety for passengers.

Career Highlights

Grajkowski's career is marked by his innovative approach to vehicle technology. His patents reflect a commitment to improving safety and functionality in the automotive industry. He has made significant strides in developing systems that not only enhance vehicle performance but also prioritize user safety.

Collaborations

Throughout his career, Grajkowski has collaborated with talented individuals such as Brian R Gillingham and Ryan D Carlson. These partnerships have contributed to the successful development of his innovative patents.

Conclusion

Karl J Grajkowski's work exemplifies the spirit of innovation in the automotive field. His patents demonstrate a dedication to improving vehicle safety and operation, making a lasting impact on the industry.

Profile summary based on public USPTO records.