Learn more

FREDERICKS CO

Overview
  • Total Patents
    21
About

FREDERICKS CO has a total of 21 patent applications. Its first patent ever was published in 1993. It filed its patents most often in United States, EPO (European Patent Office) and Australia. Its main competitors in its focus markets measurement, electrical machinery and energy and machines are DOBBIE JOHN CLARK, PLATH FA C and GEORGE ANDREW HEATH.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Drubetsky Emil 9
#2 Greway Charles E 5
#3 Brady Howard M 5
#4 Kendall Bruce R F 5
#5 Goehner Ronald H 4
#6 Crossan Wallace R Jr 2
#7 Taylor Donald R Jr 2
#8 Taylor Jr Donald R 2
#9 Seipp Jr Joseph J 2
#10 Crossan Jr Wallace R 2

Latest patents

Publication Filing date Title
US2009260242A1 Integral electrode tilt sensor and method for making same
US6688013B2 Electrolytic-tilt-sensor
US6453571B1 Thermocouple tilt sensing device
US6249984B1 Electrolytic tilt sensor having a metallic envelope
WO9850768A1 Bayard-alpert vacuum gauge with neutralization of x-ray effect
US5852878A Electrolytic tilt sensing device
US5630280A Dual axis electrolytic tilt sensor
EP0622621A2 Opposed magnet ionization gauge
US5351551A Convection thermocouple vacuum gauge