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SWANSON GUNNAR E

Overview
  • Total Patents
    24
About

SWANSON GUNNAR E has a total of 24 patent applications. Its first patent ever was published in 1945. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, machines and machine tools are NAKAMURA KATORI, RUSSELL FRED J and CHICAGO LOCK CO.

Patent filings in countries

World map showing SWANSON GUNNAR Es patent filings in countries
# Country Total Patents
#1 United States 21
#2 Canada 3

Patent filings per year

Chart showing SWANSON GUNNAR Es patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Swanson Gunnar E 24

Latest patents

Publication Filing date Title
US3237978A Fastening device
US3204993A Spring loaded turn catch for packing case or the like
US3174784A Fastening device
US3295877A Catch for packing case or the like
US2940291A Latching and locking device
US2873471A Hinge catch
US2872803A Shackle retaining means for a padlock
US2759350A Padlock
US2880603A Latching and locking mechanism
US2754701A Method of key bitting
US2715541A Method of manufacture for latch unit and intermediate product
US2687639A Cylinder lock and key
US2487493A Carrying case latching or locking device
US2527086A Lock
US2478434A Carrying case catch or lock
US2478433A Carrying case catch or lock
US2444542A Locking and unlocking mechanism for cylinder locks
US2422600A Master key cylinder lock
US2469018A Cylinder lock key retainer and positioner
US2460551A Unitary tumbler cylinder lock