Learn more

ROBERTS CO

Overview
  • Total Patents
    29
About

ROBERTS CO has a total of 29 patent applications. Its first patent ever was published in 1949. It filed its patents most often in United States, Switzerland and France. Its main competitors in its focus markets textiles and paper, furniture and games and packaging and shipping are EDMUND HAMEL, BELANGER VICTOR and NIMTZ KLAUS.

Patent filings in countries

World map showing ROBERTS COs patent filings in countries
# Country Total Patents
#1 United States 16
#2 Switzerland 4
#3 France 3
#4 Canada 2
#5 United Kingdom 2
#6 Germany 1
#7 Italy 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Grishin Peter F 4
#2 Fred T Glass 2
#3 Roberts Roy M 2
#4 Lewis William L 2
#5 Pomeranz Robert E 1
#6 Alan Hopkins 1
#7 Adams Andrew C 1
#8 Bond Elvin H 1
#9 Chilpan Kurt C 1
#10 Chilpan Kurt Constantine 1

Latest patents

Publication Filing date Title
US4164840A Method and apparatus for twisting yarns
US3903689A Ring-traveler assembly for a textile twisting machine or the like
US3952495A Tension pulley assembly for textile spinning machines
US3739651A Variable speed pulley assembly
US3620002A Open end spinning assembly and method
GB1246635A Cradle assembly and method
US3472013A Roving frame
US3487509A Textile machine feeder mechanism
US3352096A Linear contact horizontal spinning ring
US3321902A Viscous damping for spindle
US3162005A Stop motion for twisting frame or the like
US3276717A Spool and lifting member thereof
US3000009A Method of making carpet grippers
US3068922A Locking screwdriver
US2631327A Carpet anchor
US2638427A Carpet and method of making same
US2631403A Carpet stretching device
CA889560A Cradle assembly and method
CA498127A Method and apparatus for producing carpet retaining strip