Learn more

WALDRUM JOHN E

Overview
  • Total Patents
    13
About

WALDRUM JOHN E has a total of 13 patent applications. Its first patent ever was published in 1964. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, agriculture and surface technology and coating are BIRCHMEIER SPRUEHTECHNIK AG, NOMIX CHIPMAN LTD and MICRONAIR AERIAL.

Patent filings in countries

World map showing WALDRUM JOHN Es patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 4

Patent filings per year

Chart showing WALDRUM JOHN Es patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Waldrum John E 13
#2 Johnson Roy R 1

Latest patents

Publication Filing date Title
CA2161567A1 Micro-orifice nozzle
CA2081255A1 Delivery apparatus for thin invert emulsions
CA2081254A1 Thin invert compositions for spray application
US4997129A Low cost applicator and method of use
US4949937A Remote throttling valve
CA2003649A1 Centrifugal applicating device
US5020725A Manual spray apparatus
US4892255A Centrifugal applicating device
US4953790A Low cost applicator and method of use
US4844345A Aspirator tray
US4760963A Ground spray applicator
US4231520A Liquid sprayer
US3268125A Container closures