Learn more

CAMBRIDGE FILTER CORP

Overview
  • Total Patents
    80
About

CAMBRIDGE FILTER CORP has a total of 80 patent applications. Its first patent ever was published in 1952. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets chemical engineering, machines and measurement are LPD TECHNOLOGIES INC, ZAREMBA COMPANY and SLICK CORP.

Patent filings in countries

World map showing CAMBRIDGE FILTER CORPs patent filings in countries

Patent filings per year

Chart showing CAMBRIDGE FILTER CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Goulet Roger T 11
#2 Hart Charles G 11
#3 Bauder Carl J 9
#4 Hladik Stephen M 4
#5 Ellis Jerry R 4
#6 Gualtieri Peter J 3
#7 Noll Robert W 3
#8 Joseph Bauder Carl 2
#9 Wasielewski Stanley J 2
#10 Taddeo John A 2

Latest patents

Publication Filing date Title
JPH03146110A Hepa air filter for high-temperature environment and its production
JPH0214709A Method for forming air filter medium
US4885015A HEPA air filter for high temperature environments and method of fabrication
US4795481A Air filter with high dust-holding capacity
US4768386A Air pressure measurement element and system incorporating same
US4646558A Method for leak testing air filters
US4600419A High efficiency, down flow air filter sealing and support system
JPS6186921A Corrugated spacer for bent type air filter
US4537812A Corrugated spacers for pleated air filter media
US4548068A Downflow air filter construction and methods for air flow adjustment and leak testing thereof
US4308041A Air filter cartridge
CA1074154A Fluid pressure sensing means with flow straightening means
US4227953A Method of fabricating air filters
US4199387A Air filter fabrication method
GB1531146A Fluid pressure sensing apparatus
GB1531147A Fluid pressure sensing apparatus
GB1531145A Fluid pressure sensing apparatus
CA1063386A Fluid pressure sensing apparatus
US4036054A Fluid pressure sensing apparatus
US4030358A Portable air velocity measuring unit