Learn more

ALLEN DAVID M

Overview
  • Total Patents
    17
  • GoodIP Patent Rank
    231,817
About

ALLEN DAVID M has a total of 17 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United States, Australia and EPO (European Patent Office). Its main competitors in its focus markets electrical machinery and energy, agriculture and environmental technology are SHIAU WEN-CHIN, KOEHLER BRIGHT STAR INC and OLDHAM BATTERIES LTD.

Patent filings per year

Chart showing ALLEN DAVID Ms patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Allen David M 17
#2 Kuhlmann Kurt 1

Latest patents

Publication Filing date Title
US2016198649A1 Root nutrient delivery system and emitter assembly therefor
US2008025796A1 Root irrigation device
US2007243789A1 Decorative irrigation and soluble product delivery system
US7800313B1 Multi-mode LED retrofit module apparatus and method
US2005274071A1 Root nutrient delivery system
US2006196114A1 Combination watering and aerating unit
US2006064929A1 Irrigation and soluble product delivery system
US6984090B2 Root nutrient delivery system
AU2003212058A1 Bi-metallic test switch
US6953260B1 Convertible flashlight-headlamp
WO0177575A1 Portable illumination device
US4849834A Read channel architecture for processing read head signals
US1124829A Combined shade-roller and curtain-pole support.
US758495A Trace-end supporter.