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SMITH CHARLES D

Overview
  • Total Patents
    24
About

SMITH CHARLES D has a total of 24 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States and Canada. Its main competitors in its focus markets pharmaceuticals, organic fine chemistry and machines are AQUINOX PHARMACEUTICALS INC, UNIMED PHARMA SPOL SRO and CORVI CAMILLO SPA.

Patent filings in countries

World map showing SMITH CHARLES Ds patent filings in countries
# Country Total Patents
#1 United States 22
#2 Canada 2

Patent filings per year

Chart showing SMITH CHARLES Ds patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Smith Charles D 24
#2 Maines Lynn W 4
#3 French Kevin J 4
#4 Zhuang Yan 3
#5 Anderson Carl J 1
#6 Zhong Zhi 1

Latest patents

Publication Filing date Title
US8562011B1 Utility trailer
US2012058966A1 Sphingosine kinase inhibitor prodrugs
US2006270631A1 Methods for the treatment and prevention of angiogenic diseases
US2006270630A1 Methods for the treatment and prevention of inflammatory diseases
US2216326A X-ray filter
US2116585A Riding stock saddle
US1510506A Signal-control train stop
US1388776A Shoe-heel
US1227332A End-gate for wagons.
US979347A Safety-hook.
US948528A Molding-flask.
US949405A Door-latch.
US868817A Napkin-holder.
US845589A Nut-lock.
US829548A Knockdown trestle.
US779565A Buggy-boot attachment.
US811101A Electric surface and elevated trolley-railway.
US767178A Weed-destroyer brush for railways.
US697180A Ventilator for chimneys.
CA7530A Improvements in furnaces for steam boilers