Lakewood, WA, United States of America

David J Clark

USPTO Granted Patents = 72 


 

Average Co-Inventor Count = 2.2

ph-index = 16

Forward Citations = 1,235(Granted Patents)

Forward Citations (Not Self Cited) = 1,223(Oct 12, 2025)


Location History:

  • Sudbury, MA (US) (1980)
  • Whittier, CA (US) (1980 - 1981)
  • Atherton, CA (US) (1983 - 1996)
  • Dalton, GA (US) (2003)
  • Old Saybrook, CT (US) (2005)
  • Shawnee, CO (US) (2005)
  • Irvine, CA (US) (2005 - 2006)
  • Clearfield, UT (US) (2008)
  • Elgin, IL (US) (1994 - 2009)
  • Sandy Hook, CT (US) (2003 - 2010)
  • Cambridge, MA (US) (2008 - 2010)
  • Jackson, TN (US) (2014)
  • Palo Alto, CA (US) (2016)
  • Coppell, TX (US) (2017)
  • Annapolis, MD (US) (2017)
  • Santa Clara, CA (US) (2018)
  • Apex, NC (US) (2017 - 2019)
  • Littleton, CO (US) (2020)
  • Lakewood, WA (US) (2011 - 2022)
  • Winchester, MA (US) (2017 - 2023)
  • Beaverton, OR (US) (2018 - 2023)
  • Tacoma, WA (US) (2021 - 2024)

Company Filing History:

goldMedal17 out of 15,185 
 
Nike, Inc.
 patents
silverMedal4 out of 1,770 
 
Gte Products Corporation
 patents
bronzeMedal4 out of 56 
 
Neogen Corporation
 patents
43 out of 39 
 
Aldeyra Therapeutics, Inc.
 patents
52 out of 5 
 
Farms Technology, LLC
 patents
62 out of 90 
 
Perkinelmer Las, Inc.
 patents
72 out of 705 
 
Lord Corporation
 patents
81 out of 167 
 
Ge Medical Systems Information Technologies Gmbh
 patents
91 out of 46 
 
Kla Instruments Corporation
 patents
101 out of 1 
 
Sabioso, Inc.
 patent
111 out of 64 
 
Cardiac Science Corporation
 patents
121 out of 1 
 
Meadow Hills, LLC
 patent
131 out of 1,528 
 
Amoco Corporation
 patents
141 out of 1 
 
American Access, Inc.
 patent
151 out of 11 
 
Clearant, Inc.
 patents
161 out of 1 
 
Tuftco Finishing Systems, Inc.
 patent
171 out of 20,290 
 
Motorola Corporation
 patents
181 out of 10 
 
Asterisk, Inc.
 patents
191 out of 52 
 
Vtv Therapeutics LLC
 patents
201 out of 33 
 
Perkinelmer Instruments LLC
 patents
211 out of 5,303 
 
Leland Stanford Junior University
 patents
221 out of 16 
 
Orbis Technologies, Inc.
 patents
231 out of 1 
 
4da Inc.
 patent
241 out of 1,627 
 
Mcafee, Inc.
 patents
2519 out of 832,680 
Other
 patents
where one patent can have more than one assignee

Years Active: 1980-2025

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72 patents (USPTO):

Title: David J Clark: Innovator Behind the Slitter-Splicer Patent

Introduction: David J Clark, a creative inventor based in Old Saybrook, CT, has made significant contributions to the field of manufacturing with his innovative patent. With a focus on enhancing efficiency in the paper processing industry, Clark's invention serves a critical role in the joining process of sheets used in printing.

Latest Patents: Clark holds a patent for a "Slitter-splicer for joining the ends of sheets." This invention provides a solution for quickly and accurately joining the ends of both plain and perforated sheets, such as those commonly used in fanfold printing applications. The slitter-splicer utilizes a clamping mechanism where sheets are securely held between resilient strips. This design accommodates both perforated and non-perforated sheets, ensuring precise alignment before clamping. The sophisticated system includes a slitting head that creates a precise butt line for taping, along with features for applying and cutting tape automatically, showcasing Clark's ingenuity in mechanical design.

Career Highlights: Clark is currently employed at Asterisk, Inc., where he continues to develop and refine his inventive ideas. His work not only reflects his technical skills but also his commitment to advancing manufacturing processes through innovation.

Collaborations: Throughout his career, Clark has collaborated with talented professionals such as Frank A Todaro and Brian C Richardson. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion: David J Clark stands out as a remarkable inventor who has contributed to the industry with his unique patent for a slitter-splicer. His efforts to enhance the efficiency of sheet joining processes demonstrate his commitment to innovation and improvement in manufacturing techniques. As a member of Asterisk, Inc., Clark’s work promises to have a lasting impact on the paper processing and printing industries.

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