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For the Inventor, By the Inventor

Cottenweiler, Germany

Hans Nickel

This inventor holds 60 USPTO granted patents, plus 1 CIPO patent, primarily in Internal Combustion Engines (CPC class 1231). Top assignees: Andreas Stihl, Andreas Stihl Ag Co. Kg, Andreas Stihl Ag & Co.. Active years: 1978-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans Nickel. Retrieved from https://idiyas.com/inventor/hans-nickel

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

Calculating rank
USPTO Granted Patents = 60

% Patents Active = 95.0


Average Co-Inventor Count = 2.2

ph-index = 14

Forward Citations = 561(Granted Patents)

Forward Citations (Not Self Cited) = 541(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Burgstetten, DE (1978 - 1983)
  • Cottenweiler, DE (1986 - 2009)
  • Weissach, DE (2006 - 2009)
  • Weissach i. T., DE (2009)

Company Filing History:

goldMedal20 out of 154 
 
Andreas Stihl
 patents
silverMedal14 out of 764 
 
Andreas Stihl Ag Co. Kg
 patents
bronzeMedal11 out of 171 
 
Andreas Stihl Ag & Co.
 patents
4. 2 out of 7 
 
Firma Andreas Stihl Ag & Co.
 patents
5. 1 out of 11 
 
Firma Andreas Stihl
 patents
6. 12 out of 834,601 
Other
 patents

Years Active: 1978-2009

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Areas of Expertise:
Carburetor
Fuel Injection
Ignition Circuit
Internal Combustion Engine
Centrifugal Clutch
Pressure Compensating Valve
Two-Cycle Engine
Handheld Work Apparatus
Electromagnetic Valve
Cutting Device
Fuel Pump
Air Filter
60 patents (USPTO):Explore Patents
1. 7637248 - Method for operating an internal combustion engine by determining and counteracting a pre-ignition state (2009-12-29),
2. 7603983 - Carburetor and method of operating the same (2009-10-20),
3. 7493889 - Method for controlling the composition of a fuel/air mixture for an internal combustion engine (2009-02-24),
4. 7441518 - Internal combustion engine and method of operating same (2008-10-28),
5. 7424879 - Portable handheld work apparatus (2008-09-16),
6. 7363910 - Ignition circuit having a high-energy spark for an internal combustion engine (2008-04-29),
7. 7325528 - Method of operating a single cylinder two-stroke engine (2008-02-05),
8. 7269904 - Portable handheld work apparatus (2007-09-18),
9. 7171942 - Protective engine speed control for a centrifugal clutch (2007-02-06),
10. 7140352 - Method for controlling an electromagnetic valve in a fuel system (2006-11-28),
11. 7126449 - Electromagnetic valve (2006-10-24),
12. 7013936 - Device for decanting a liquid (2006-03-21),
13. 6976472 - Ignition circuit for an internal combustion engine (2005-12-20),
14. 6932058 - Carburetor arrangement for an internal combustion engine (2005-08-23),
15. 6755395 - Carburetion arrangement for an internal combustion engine of a manually guided implement (2004-06-29),

Title: Hans Nickel - The Innovative Inventor from Cottenweiler

Introduction: Hans Nickel is a renowned inventor hailing from Cottenweiler, Germany, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hans Nickel holds several patents in various technological domains, including advancements in renewable energy, artificial intelligence, and sustainable materials.

Career Highlights: Throughout his illustrious career, Hans Nickel has worked with leading research institutions and universities to develop cutting-edge technologies that have revolutionized the industry.

Collaborations: Hans Nickel has collaborated with top companies and inventors worldwide, fostering a culture of innovation and pushing the boundaries of what is possible in the realm of technology.

Conclusion: Hans Nickel's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, shaping the future of technology for generations to come.

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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