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BONVILLAIN & RONCERAY

Overview
  • Total Patents
    47
About

BONVILLAIN & RONCERAY has a total of 47 patent applications. Its first patent ever was published in 1910. It filed its patents most often in France, Germany and United Kingdom. Its main competitors in its focus markets materials and metallurgy, chemical engineering and machines are WAGNER & CO ALFELDER MASCH, ALFRED BARTLETT SMITH and BOENISCH DIETMAR.

Patent filings in countries

World map showing BONVILLAIN & RONCERAYs patent filings in countries

Patent filings per year

Chart showing BONVILLAIN & RONCERAYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Churlaud Henri Andre 7
#2 Ronceray Eugene 3
#3 Churlaud Henri 3
#4 Ronceray Societe Anonyme Des E 2
#5 Churlaud Henri A 2
#6 Churland Henri 1

Latest patents

Publication Filing date Title
GB2067907A Mixer for granular products in particular for foundry sand
GB2000447A Mixer for different materials and in particular for foundry sands
DE2413730A1 ARRANGEMENT FOR INSTALLING A DEVICE IN A PIPELINE
DE2259967A1 DEVICE FOR CLEANING, COOLING AND SEVENING FOR CASTINGS
DE2259487A1 WEIGHING AND MOISTURE MEASURING DEVICE FOR A PULVERIZED OR GRANULATED PRODUCT
DE1805321A1 Air jet oil injection system for tools mixes oil in - proportion to air flow
FR1498630A Air lubricator
FR893219A Gyratory sieve
FR865824A Winch improvements
FR853414A Improvements to hoists
FR593075A Opening frame for foundry
FR531618A Hydraulic molding machine
FR531620A parallel bench vise
FR531619A Hydraulic flexible drive device for shaking machine
US1091020A Molding-machine.
US1091019A Molding apparatus.
GB191309099A Improvements in or relating to Sand Moulding Machines.
US1070293A Apparatus for forming sand molds.
GB191108818A Improvements in or relating to Moulding Machines.
GB191108817A Improvements in or relating to Sand Moulding Machines.