Sign In

Login

Password

Forgot Password ? Sign Up

Interchangeable core (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Interchangeable core" in English language version.

refsWebsite
Global rank English rank
3espacenet.com
800th place
676th place
1hlflake.com
low place
low place

espacenet.com

worldwide.espacenet.com

  • US 3206958, Best, Frank Ellison, "Interchangeable lock cores", published 1965-09-21 
  • US 1384022, Best, Frank Ellison, "Lock", published 1921-07-05 
  • CN 203334826, Zhang, Yihui, "Passive electronic lock and key", published 2013-12-11 , since abandoned.

hlflake.com

  • "SFIC & LFIC Interchangeable Cores". www.hlflake.com.