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COLVIN DAVID S

Overview
  • Total Patents
    38
About

COLVIN DAVID S has a total of 38 patent applications. Its first patent ever was published in 1977. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and EPO (European Patent Office). Its main competitors in its focus markets machine tools, machines and transport are HUANG PING-WEN, JODA ENTPR INC and RAJOTTE JACQUES.

Patent filings per year

Chart showing COLVIN DAVID Ss patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Colvin David S 38

Latest patents

Publication Filing date Title
AU6406300A Personal digital assistant with multiple displays
US5181773A Vehicle occupant restraint belt buckle including illumination
US4977800A Screwdriver blade construction
AU4827090A Screwdriver blade construction
US4930378A Wrench opening engagement surface configuration
US4903554A Reversible ratchet wrench with thin head construction
US4787275A Adjustable double-ended box wrench
CA1255932A Adjustable socket including rotatable adjuster
US4716797A Screwdriver with concave blade
WO8707864A1 Adjustable socket including rotatable adjuster
AU6131486A Adjustable socket
US4765211A Wrench opening
US4598616A Wrench opening
US4608887A Adjustable socket including rotatable adjuster
US4631988A Reversible ratchet wrench including detent mechanism
EP0203915A1 Reversible ratchet wrench.
US4485700A Reversible ratchet wrench
FI823712L Hylsa som aer foersedd med reglerbara kaekar
US4663999A Socket including adjustable jaws
US4378714A Adjustable socket including apertured sleeve