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For the Inventor, By the Inventor

Columbia, MD, United States of America

David J Smith

USPTO Granted Patents = 73 

 

Average Co-Inventor Count = 3.7

ph-index = 11

Forward Citations = 983(Granted Patents)

Forward Citations (Not Self Cited) = 881(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Harbor Springs, MI (US) (1979)
  • Tacoma, WA (US) (1993)
  • Seal Beach, CA (US) (1996)
  • Winston-Salem, NC (US) (1996 - 1997)
  • La Mesa, CA (US) (1999)
  • Anchorage, AK (US) (2007)
  • Glen Burnie, MD (US) (2003 - 2009)
  • Colmbia, MD (US) (2019)
  • Marana, AZ (US) (2019)
  • Columbia, MD (US) (2010 - 2024)

Company Filing History:

goldMedal63 out of 5,072 
 
Black Decker Inc.
 patents
silverMedal1 out of 1 
 
Black 7 Decker Inc.
 patent
bronzeMedal7 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1979-2025

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73 patents (USPTO):
1. 12296454 - Brushless motor for power tools (2025-05-13),
2. 12261497 - High-power motor for a body-grip power tool (2025-03-25),
3. 12126234 - Stator assembly for a brushless motor in a power tool preliminary class (2024-10-22),
4. 12068663 - Brushless motor having an overmolded rotor (2024-08-20),
5. 12068639 - Motor rotor with sleeve for retention of magnet ring (2024-08-20),
6. 12059775 - Power tool with compact motor assembly (2024-08-13),
7. 12017321 - Handheld power tool with brushless electric motor (2024-06-25),
8. 11973374 - Outer rotor brushless motor having an axial fan (2024-04-30),
9. 11955863 - Circuit board assembly for compact brushless motor (2024-04-09),
10. 11951603 - Brushless motor system for power tools (2024-04-09),
11. 11916447 - Overmolded rotor structure (2024-02-27),
12. 11894744 - Stator assembly for a brushless motor in a power tool (2024-02-06),
13. 11876424 - Compact brushless motor including in-line terminals (2024-01-16),
14. 11870316 - Brushless motor including a nested bearing bridge (2024-01-09),
15. 11865690 - Control and power module for driving a brushless motor in a power tool (2024-01-09),

Title: David J. Smith: A Pioneer in Brushless Motor Innovations

Introduction: David J. Smith, located in Columbia, MD, is a prolific inventor recognized for his significant contributions to the field of brushless motor technology. With an impressive portfolio of 63 patents, Smith has established himself as a key figure in the development of innovative solutions for power tools.

Latest Patents: Among his latest inventions, two standout patents include a stator assembly for a brushless motor in a power tool and a brushless motor having an overmolded rotor. The stator assembly design includes a stator core, magnet wire wound on the stator core poles, and unique conductive terminals that ensure efficient electric connections. His brushless motor innovation features a rotor assembly with a metallic rotor body, rotor magnets, and a molded structure that integrates a fan, enhancing the overall performance and efficiency of the motor.

Career Highlights: Throughout his career, David J. Smith has contributed to major companies, including Black & Decker Corporation, where his innovations have played a crucial role in advancing power tool technologies. His expertise in brushless motors has made a lasting impact on the industry.

Collaborations: Smith has worked alongside talented colleagues such as Earl M. Ortt and Justin H. Ayers, fostering a collaborative environment that has led to many groundbreaking innovations in motor technology.

Conclusion: David J. Smith's dedication to improving brushless motor designs and technology has not only earned him numerous patents but has also positioned him as an influential inventor in the engineering community. His work continues to inspire advancements in power tool efficiency and functionality.

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