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RY LOCK COMPANY LTD

Overview
  • Total Patents
    33
About

RY LOCK COMPANY LTD has a total of 33 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering, machines and mechanical elements are BRASCO MFG COMPANY, KRONENBERG MAX and FAIR GEORGE A.

Patent filings in countries

World map showing RY LOCK COMPANY LTDs patent filings in countries
# Country Total Patents
#1 United States 33

Patent filings per year

Chart showing RY LOCK COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Jordan Rust David 16
#2 Jensen Jack H 16
#3 Wiener Martin L 5
#4 Rymer John A 5
#5 Nelsen Walter F 4
#6 Rust David J 1
#7 Joseph Paul E 1
#8 Parker Harry T 1

Latest patents

Publication Filing date Title
US2745487A Screen tensioning device
US2759536A Adjustable tensioning device for frameless window screens
US2730172A Mounting bracket for tension type screen units
US2670793A Top bar attachment device for frameless window screens
US2676653A Center hold-down device for tension type window screens
US2678690A Tension screen with wooden crossbars
US2599725A Upper securing device for tension screens
US2605831A Adjustable ventilator screen
US2638163A Bracket unit for tension screens
US2625995A Cam-acting tension device for frameless window screens
US2570128A Lock for frameless window screen tensioning devices
US2678691A Screen tensioning device
US2554542A Locator and wear shoe for frameless window screens
US2573223A Frameless window screen tensioning device
US2525149A End bar support for tension type frameless window screens
US2587853A Fastening device
US2405855A Frameless window screen
US2380794A Tensioning and locking device for frameless window screens
US2372912A Frameless window screen
US2206514A Combination venetian blind, drapery rail, and cornice mount