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KIRSCHMANN JOHN D

Overview
  • Total Patents
    37
About

KIRSCHMANN JOHN D has a total of 37 patent applications. Its first patent ever was published in 1955. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets chemical engineering, agriculture and machines are LIOU HUEI TARNG, JIANGSU GUANGSHENGYUAN TECHNOLOGY DEV CO LTD and AEROMIX SYSTEMS INC.

Patent filings in countries

World map showing KIRSCHMANN JOHN Ds patent filings in countries

Patent filings per year

Chart showing KIRSCHMANN JOHN Ds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kirschmann John D 36
#2 Soberg John P 7
#3 Blumhardt Harold 2
#4 Soberg John Philip 2

Latest patents

Publication Filing date Title
CN1007877B Chemical dispensing system
US4691850A Chemical dispensing system
DE3037843A1 Batch type water distiller - has trap around vapour outlet to prevent discharge of liq. to condenser
CA1161389A Vented water distiller
US4218317A Reverse osmosis water purifier
US4260459A Vented water distiller
US4135984A Water distiller
US3980526A Liquid distillation apparatus
CA1017600A Adjustable eccentric crankshaft
CA995285A Valve mechanism for liquid applicator
US3930959A Combined water cooler & distiller
CA983812A Flow control device for liquid applicators and process of operating same
US3632043A Multinozzle spraying attachments for grain drills and other seeding implements
CA881280A Feeding mechanism for seed
US3489321A Feeding mechanism for seed
US3209609A Transmission
US3240401A Flow regulator for a material distributor
US3229857A Applicator for granular material
US3052307A Cultivator apparatus for sub-soil operation
GB831452A Improvements in or relating to distributors for fertilizer, seed and other granular material