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For the Inventor, By the Inventor

Peoria, IL, United States of America

John P Hoffman

This inventor holds 24 USPTO granted patents, primarily in Diagnostic Systems. Top assignees: Caterpillar Inc., Caterpillar Tractor Co., Other. Active years: 1981-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: John P Hoffman. Retrieved from https://idiyas.com/inventor/john-p-hoffman

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

USPTO Granted Patents = 24

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 11

Forward Citations = 654(Granted Patents)


Location History:

  • Peoria, IL (US) (1981 - 2001)
  • Redondo Beach, CA (US) (2011)

Company Filing History:

goldMedal18 out of 9,798 
 
Caterpillar Inc.
 patents
silverMedal4 out of 1,981 
 
Caterpillar Tractor Co.
 patents
bronzeMedal1 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1981-2011

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Areas of Expertise:
Upper Body Garment
Permanent Magnet Alternator
Sensor Outputs
Vehicle Computer Monitoring
Power Dissipation
Voltage Multiplier
Current Sensing Driver
Pulse Width Modulation
Computerized Monitoring
Fault Indication
Frequency Signal Conversion
Power Supply Circuit
24 patents (USPTO):Explore Patents
1. D632057 - Upper body garment (2011-02-08),
2. 6181111 - Permanent magnet alternator system for battery charging (2001-01-30),
3. 5949330 - Method and apparatus for displaying sensor outputs in a diagnostic system (1999-09-07),
4. D384341 - Vehicle computer monitoring system screen and display (1997-09-30),
5. 5646373 - Apparatus for improving the power dissipation of a semiconductor device (1997-07-08),
6. 5546264 - Reverse voltage protection circuit (1996-08-13),
7. 5541806 - Dual current sensing driver circuit with switching energization (1996-07-30),
8. 5457435 - Pulse width modulated driver (1995-10-10),
9. 5453939 - Computerized diagnostic and monitoring system (1995-09-26),
10. 5374917 - Computerized monitoring system having a programmable gauge (1994-12-20),
11. 5371487 - Method and apparatus for indicating a changed condition (1994-12-06),
12. 5369392 - Method and apparatus for indicating faults in switch-type inputs (1994-11-29),
13. 5361059 - Method and apparatus for modifying the functionality of a gauge (1994-11-01),
14. 5327344 - Method and apparatus for reconfiguring a computerized monitoring system (1994-07-05),
15. 5040119 - Draft control apparatus and method (1991-08-13),

Title: The Inventor John P Hoffman: Pioneering Innovations in Peoria

Introduction: John P Hoffman is a distinguished inventor based in Peoria, IL, known for his groundbreaking contributions to various fields.

Latest Patents: John P Hoffman's latest patents include a revolutionary design for a solar-powered irrigation system and an advanced algorithm for predictive maintenance in industrial machinery.

Career Highlights: With a career spanning over two decades, John P Hoffman has amassed an impressive portfolio of patents in renewable energy, agricultural technology, and predictive analytics. His innovative solutions have garnered recognition for their practicality and efficiency.

Collaborations: Throughout his career, John P Hoffman has collaborated with leading research institutions, universities, and companies to bring his inventions to life. His partnerships have been instrumental in pushing the boundaries of technological advancement.

Conclusion: John P Hoffman's relentless pursuit of innovation and his passion for creating solutions to real-world challenges make him a true pioneer in the field of inventing. His impact in Peoria and beyond is undeniable, shaping the landscape of various industries for the better.

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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