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LESLIE SILVERMAN

Overview
  • Total Patents
    15
About

LESLIE SILVERMAN has a total of 15 patent applications. Its first patent ever was published in 1945. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets chemical engineering, machines and measurement are FLODINS FILTER AB, ERIKA INC and KESTNER EVAPORATOR COMPANY.

Patent filings in countries

World map showing LESLIE SILVERMANs patent filings in countries
# Country Total Patents
#1 United States 14
#2 United Kingdom 1

Patent filings per year

Chart showing LESLIE SILVERMANs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Leslie Silverman 14
#2 Ege Jr John F 1
#3 George Lee 1
#4 Viles Jr Frederick J 1
#5 Anderson David M 1
#6 Davidson Robert A 1

Latest patents

Publication Filing date Title
US3306008A Continuous high expansion foam generator with controlled expansion rates
US3338665A Foam encapsulation method of nuclear reactor safety
US3217471A Diffusion board for filtering high pressure gases
US3167070A Respirator with positive air seal
US2994577A Method of removing iodine from gases and filter medium therefor
US3018159A Method of removing radioactive iodine from gases
US2992700A Electrostatic air cleaning device and method
US3063216A Method and apparatus for forming and utilizing a filter medium
US2742897A Spirometer
US2758671A High temperature filtering medium
US2738669A Leakage measuring apparatus
US2483108A Determination of chromium compounds in gaseous atmospheres
GB642120A Improvements in or relating to fume exhausters particularly for welding
US2461351A Flowmeter
US2414564A Portable welding fume exhauster