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BIRCHWOOD LAB INC

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    214,472
About

BIRCHWOOD LAB INC has a total of 18 patent applications. Its first patent ever was published in 1993. It filed its patents most often in United States, Canada and Mexico. Its main competitors in its focus markets surface technology and coating, medical technology and machines are MOLECULAR METALLURG INC, TOMEI DIAMOND CO LTD and AMERICAN SCIENT MATERIALS TECH.

Patent filings in countries

World map showing BIRCHWOOD LAB INCs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 1
#3 Mexico 1
#4 WIPO (World Intellectual Property Organization) 1

Patent filings per year

Chart showing BIRCHWOOD LAB INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Block William V 12
#2 Ravenscroft Keith N 6
#3 Devine Bryce D 5
#4 Hepp Dennis 2
#5 Einck Cydney A 2
#6 Messer Gary A 2
#7 Halverson David J 2
#8 Erickson Nathan R 2
#9 Tuttle Jr James N 1
#10 Nguyen John T 1

Latest patents

Publication Filing date Title
US2014257064A1 Sweat analyte testing components and methods
US2014190368A1 Methods and compositions for coating aluminum substrates
US7964044B1 Ferrous metal magnetite coating processes and reagents
US2006014042A1 Hybrid metal oxide/organometallic conversion coating for ferrous metals
US6695931B1 Composition and method for metal coloring process
US6899956B2 Metal coloring process and solutions therefor
US6576346B1 Composition and method for metal coloring process
MXPA00009759A Method and composition for a metal coloring process.
US6309476B1 Composition and method for metal coloring process
US5723183A Metal coloring process
US5580063A Reusable projectile impact reflecting target for day or night use
US5320217A Wet swab captured package