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For the Inventor, By the Inventor

Heiligenhaus, Germany

Frank Kleefeldt

This inventor holds 52 USPTO granted patents, primarily in Automotive Door Latches (CPC class 2922). Top assignees: Kiekert Gmbh & Co Kommanditgesellschaft, Kiekert Ag, Kiekert Gmbh & Co. Kg. Active years: 1979-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Frank Kleefeldt. Retrieved from https://idiyas.com/inventor/frank-kleefeldt

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

USPTO Granted Patents = 52

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 24

Forward Citations = 1,343(Granted Patents)

Forward Citations (Not Self Cited) = 1,275(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Heilingenhaus, DE (1992)
  • Heiligenhaus, DE (1979 - 2002)

Company Filing History:

goldMedal23 out of 35 
 
Kiekert Gmbh & Co Kommanditgesellschaft
 patents
silverMedal18 out of 512 
 
Kiekert Ag
 patents
bronzeMedal5 out of 16 
 
Kiekert Gmbh & Co. Kg
 patents
4. 3 out of 3 
 
Arn. Kiekert Sohne
 patents
5. 2 out of 3 
 
Kiekert Gmbh & Co.
 patents
6. 1 out of 6,546 
 
Bayerische Motoren Werke Aktiengesellschaft
 patents
7. 1 out of 1 
 
Kiekert Aktiengesellshaft
 patent
8. 1 out of 146 
 
Telefunken Electronic Gmbh
 patents
where one patent can have more than one assignee

Years Active: 1979-2002

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Areas of Expertise:
Motor-Vehicle Door Lock
Power-Actuated Latch
Central Lock System
Sliding-Door System
Electronic Controller
Remote Actuation
Child-Safety Cutout
Antitheft Override
Servo-Tightening Latch
Lock Linkage
Electric-Motor Drive
Security System
52 patents (USPTO):Explore Patents
1. 6407520 - Motor-vehicle door lock (2002-06-18),
2. 6375234 - Motor-vehicle door latch with sealed housing (2002-04-23),
3. 6338508 - Motor-vehicle latch system with power open (2002-01-15),
4. 5876087 - Motor-vehicle sliding-door system (1999-03-02),
5. 5853206 - Power-actuated motor-vehicle door latch (1998-12-29),
6. 5836639 - Motor-vehicle sliding-door system with electronic controller (1998-11-17),
7. 5829114 - Aligning a motor-vehicle door (1998-11-03),
8. 5802894 - Central locking system for an automotive vehicle with structurally (1998-09-08),
9. 5785364 - Servo-tightening motor-vehicle door latch (1998-07-28),
10. 5744875 - Control system for a vehicle having a multifunctional button for a (1998-04-28),
11. 5736793 - Control system for electrical components of a motor vehicle (1998-04-07),
12. 5699685 - Central lock system for an automotive vehicle with satellite processors (1997-12-23),
13. 5697236 - Motor-vehicle door latch for remote actuation (1997-12-16),
14. 5681068 - Actuating assembly for motor-vehicle door latch (1997-10-28),
15. 5667263 - Power-actuated motor-vehicle door latch (1997-09-16),

Title: The Innovative Journey of Frank Kleefeldt

Introduction: Frank Kleefeldt, a talented inventor hailing from Heiligenhaus, Germany, has made significant contributions to the world of innovations with his creative mind and dedication to problem-solving.

Latest Patents: Frank Kleefeldt's latest patents showcase his expertise in various fields, including technology, engineering, and design. His recent inventions have been recognized for their ingenuity and practicality in addressing modern challenges.

Career Highlights: Throughout his illustrious career, Frank Kleefeldt has demonstrated a remarkable ability to transform ideas into tangible inventions. His passion for innovation has led to the development of groundbreaking solutions that have improved the lives of many.

Collaborations: Frank Kleefeldt has collaborated with leading companies, research institutions, and universities to further his innovative projects. These partnerships have allowed him to leverage the expertise of others and bring his inventions to fruition.

Conclusion: In conclusion, Frank Kleefeldt's relentless pursuit of innovation and his commitment to pushing the boundaries of what is possible make him a true pioneer in the world of inventions. His work continues to inspire and shape the future of technology and beyond.

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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