Learn more

W & F MFG INC

Overview
  • Total Patents
    26
About

W & F MFG INC has a total of 26 patent applications. Its first patent ever was published in 1961. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, civil engineering and transport are CLEVELAND HARDWARE & FORGING, SPEP ACQUISITION CORP and KELLER VOLPER E.

Patent filings in countries

World map showing W & F MFG INCs patent filings in countries
# Country Total Patents
#1 United States 19
#2 Canada 7

Patent filings per year

Chart showing W & F MFG INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Fleming Paul D 19
#2 Gajer Nandor 4
#3 O'Day David L 3
#4 Woodworth John A 2
#5 Duffy D 1
#6 Hull Ben A 1
#7 Underwood Albert B 1
#8 Governale Bernard C 1
#9 Hull B A 1
#10 Governale B C 1

Latest patents

Publication Filing date Title
US2011163553A1 Multipoint lock extension for a round top door
CA2605002A1 Multipoint door lock system with header and sill lock pins
US2007080541A1 Lever actuated door latch operator
CA2354988A1 Slide bolt unit
US5542720A Multipoint lock assembly for a sliding door
CA2137433A1 Multipoint latch assembly for a sliding door
US5373716A Multipoint lock assembly for a swinging door
US5290077A Multipoint door lock assembly
US5092144A Door handle and lock assembly for sliding doors
US4876866A Door latch and deadbolt assembly
US4784417A Door latch and deadbolt assembly
US4807914A Window lock assembly
US4671089A Door latch and deadbolt assembly
US4534587A Latch assembly
US4480862A Latching and locking mechanism for sliding door
US4068874A Rotary latch mechanism with locking device
US3833011A Retractable awning assembly
CA919213A Universal sliding door handle and latch assembly
US3596954A Universal sliding door handle and latch assembly
US3582119A Lock with multiple bolt action