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ROBERTS MFG CO

Overview
  • Total Patents
    29
About

ROBERTS MFG CO has a total of 29 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets machine tools, furniture and games and machines are ROBERTS CONS IND INC, MANK GMBH and YONG TAI LOONG PTE LTD.

Patent filings in countries

World map showing ROBERTS MFG COs patent filings in countries
# Country Total Patents
#1 United States 20
#2 Canada 6
#3 United Kingdom 3

Patent filings per year

Chart showing ROBERTS MFG COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hill Harvey J 9
#2 Leo Robbins 4
#3 Roberts Fredrick W 2
#4 Petty Jack W 2
#5 Roberts Roy M 2
#6 Henry Laetari 2
#7 Roberts Ralph R 2
#8 Werner Fred E 1
#9 Kerr Douglas J 1
#10 Myers Richard J 1

Latest patents

Publication Filing date Title
US3231007A Support for mesh type curtain screen
GB845163A A carpet stretcher
GB834496A Carpet securing device
GB834046A A one-piece rigid carpet binder
US2858609A Cutter
US2882642A Carpet stretcher
US2928115A Carpet gripper
US2995769A Carpet binder and anchor bar
US2818179A Merchandise rack
US2772474A Carpet trimmer
US2692987A Detecting device
US2669714A Apparatus for producing carpet retaining strips
US2666986A Carpet cutting device
US2677145A Carpet securing device
US2440915A Process for producing aerosols
US2389744A Indexing mechanism for automatic machines
US2408882A Swaging machine
US2358595A Mechanical movement
US2389743A Automatic drilling machine
US1413060A Method of and apparatus for dressing grindstones and the like