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For the Inventor, By the Inventor

Raritan, NJ, United States of America

David B Pearson

This inventor holds 10 USPTO granted patents. Top assignees: Inventio Ag, Weston Instruments, Inc., Sangamo Weston, Inc.. Active years: 1976-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: David B Pearson. Retrieved from https://idiyas.com/inventor/david-b-pearson

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

USPTO Granted Patents = 10

% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 5

Forward Citations = 57(Granted Patents)


Location History:

  • Raitan, NJ (US) (1991)
  • Raritan, NJ (US) (1976 - 1994)
  • Morristown, NJ (US) (1995)

Company Filing History:

goldMedal3 out of 1,409 
 
Inventio Ag
 patents
silverMedal3 out of 10 
 
Weston Instruments, Inc.
 patents
bronzeMedal2 out of 136 
 
Sangamo Weston, Inc.
 patents
4. 1 out of 8,033 
 
Westinghouse Electric Corporation
 patents
5. 1 out of 834,513 
Other
 patents

Years Active: 1976-1995

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10 patents (USPTO):Explore Patents
1. 5377785 - Door closing system (1995-01-03),
2. 5316108 - Apparatus for attaching elevator guide rails to elevator shaft walls (1994-05-31),
3. 5306879 - Load measuring apparatus for an elevator car (1994-04-26),
4. 5065845 - Speed governor safety device for stopping an elevator car (1991-11-19),
5. 4840254 - Elevator hoistway door interlock (1989-06-20),
6. 4238731 - Instrument moving element with severable bridge (1980-12-09),
7. 4080570 - Panel mounting for electrical device (1978-03-21),
8. 4024472 - Meter construction (1977-05-17),
9. 3997840 - Panel meter with adapter cover (1976-12-14),
10. 3983478 - Moving coil instrument having electrically conductive coil form parts (1976-09-28),

Title: Innovations by David B Pearson

Introduction

David B Pearson is a notable inventor based in Raritan, NJ (US), recognized for his contributions to elevator technology. He holds a total of 10 patents, showcasing his innovative spirit and technical expertise in the field.

Latest Patents

Among his latest inventions is a door closing system designed for automatic sliding doors of elevator cars. This system ensures that the elevator door cannot be opened from inside the car when it is between floors, enhancing safety. The mechanism utilizes cams and couplings to synchronize the operation of the hoistway door and the elevator door, preventing unauthorized access during transit. Another significant patent is an apparatus for attaching elevator guide rails to elevator shaft walls. This invention allows for vertical displacement of the guide rail, improving installation flexibility and efficiency. The design incorporates a U-shaped intermediate plate and a support bracket, ensuring secure attachment while allowing for movement.

Career Highlights

David has worked with several companies throughout his career, including Inventio AG and Weston Instruments, Inc. His experience in these organizations has contributed to his development as an inventor and has provided him with valuable insights into the industry.

Collaborations

David has collaborated with notable individuals in his field, including Julius Nador and Robert A Wissell. These partnerships have likely fostered innovation and the exchange of ideas, further enhancing his contributions to elevator technology.

Conclusion

David B Pearson's work exemplifies the spirit of innovation in the elevator industry. His patents reflect a commitment to safety and efficiency, making significant strides in technology.

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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