Learn more

PHELPS CHARLES

Overview
  • Total Patents
    14
About

PHELPS CHARLES has a total of 14 patent applications. Its first patent ever was published in 1900. It filed its patents most often in United States and Canada. Its main competitors in its focus markets thermal processes and materials and metallurgy are FRITZ KRAEMER, LOUIS COURTOT and H B SMITH COMPANY.

Patent filings in countries

World map showing PHELPS CHARLESs patent filings in countries
# Country Total Patents
#1 United States 13
#2 Canada 1

Patent filings per year

Chart showing PHELPS CHARLESs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Thermal processes
#2 Materials and metallurgy

Top inventors

# Name Total Patents
#1 Phelps Charles 14

Latest patents

Publication Filing date Title
US1242856A Sectional boiler-furnace.
US1278379A Sectional furnace.
US1203044A Sectional hot-water furnace.
US913844A Sectional boiler-furnace.
US885950A Smoke-consuming furnace.
US865123A Furnace-casing.
CA90690A Water heater
US896856A Pressure-regulator for water-heating systems.
US760016A Molder's flask.
US721831A Molder's flask.
US709925A Tilting-flask support.
US670111A Steam-radiator.
US689986A Sheet-metal radiator.
US670110A Sheet-metal radiator.