Learn more

WELLS JOHN R

Overview
  • Total Patents
    15
About

WELLS JOHN R has a total of 15 patent applications. Its first patent ever was published in 1952. It filed its patents most often in United States, Japan and Canada. Its main competitors in its focus markets machines, measurement and chemical engineering are ROCHAT JEAN-DENIS, Scinogy Products Pty Ltd and INT EQUIPMENT CO.

Patent filings in countries

World map showing WELLS JOHN Rs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Japan 3
#3 Canada 2

Patent filings per year

Chart showing WELLS JOHN Rs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wells John R 15
#2 Gann Steven M 5
#3 Uren Jr Jack R 1

Latest patents

Publication Filing date Title
US5707331A Automatic multiple-decanting centrifuge
US5264042A Method for washing magnetic particles in a vessel with a bottom pull
US5178602A Automatic decanting centrifuge
US5282982A Blood washing method
CA2041963A1 Device for mixing blood with anticoagulant
US5047004A Automatic decanting centrifuge
US5085345A Hydraulic dispenser
US5096093A Hand held hydraulic dispenser
US4443345A Serum preparator
US2746356A Adjustable rearview mirror
US2746355A Inside adjustable rearview mirror for automobiles