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JOHNSON CORP

Overview
  • Total Patents
    251
About

JOHNSON CORP has a total of 251 patent applications. Its first patent ever was published in 1936. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets mechanical elements, textiles and paper and chemical engineering are RUSSELL CARPENTER, PATEX SA and EKMAN K R.

Patent filings per year

Chart showing JOHNSON CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Timm Gerald L 47
#2 Monroe Rollo O 29
#3 Peter John H 22
#4 Jackson Eldon D 21
#5 Wiedenbeck Roger D 18
#6 Hieronymus John W 17
#7 Calkins Donald L 12
#8 Goff Leonard D 11
#9 Medsker James A 9
#10 Timm Gerald Leroy 7

Latest patents

Publication Filing date Title
US7028756B2 Apparatus for increasing a transfer of thermal energy through an inner surface of a hollow cylindrical dryer of a papermaking machine
WO03004919A1 Journal bearing mounted hub seal rotary joint
US7004509B2 Journal bearing mounted hub seal rotary joint
ITRM20000332D0 Self supported rotary joint for rotary drying, or cooling drum has shear pins between joint body head and nipple outer end to prevent excess torque being applied to joint body head in event of bearings freezing up
JP2001311434A Rotary joint with shear pin
US6203072B1 Corrugating joint and syphon system
US6126207A Rotary joint with shear pins
US5931507A Rotary joint with body lock system
US5533569A Stationary syphon system for rotating heat exchanger rolls
US5528838A Insulated dryer drum
US5303959A High speed rotary joint
US5169181A Impact resistant rotary joint with glide ring seals
US5226677A Rotary joint with extended life seal
US5110162A Anti-corrosive rotary joint
US5098135A Rotary joint with axial compensation
US5109612A Aspirated syphon shoe
CN1057895A Air-controlled rotary joint
US5067824A Air controlled rotary joint compensator
US4971367A Air controlled rotary joint compensator
US4758026A Rotary joint with balanced seals