RICHARDSON DWIGHT S

Overview

Total Patents

13

About

RICHARDSON DWIGHT S has a total of 13 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 thermal processes and environmental technology are JANITOR BOILERS LTD, ASMAN ELOF VIKTOR and ERICH ZANDER.

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Patent filings in countries

World map showing RICHARDSON DWIGHT Ss patent filings in countries

#	Country	Total Patents
#1	United States	9
#2	Canada	4

Patent filings per year

Chart showing RICHARDSON DWIGHT Ss patent filings per year from 1900 to 2020

Similar Companies

JANITOR BOILERS LTD 90% similarity

ASMAN ELOF VIKTOR 90% similarity

ERICH ZANDER 89% similarity

MCS ITALY S P A 89% similarity

AMERICAN WATER HEATER CO 89% similarity

WINDHAGER OHG ANTON 89% similarity

LEE CHANG HAK 88% similarity

STREBELWERK GMBH 88% similarity

SECCACIER 88% similarity

LANDREAU ANDRE 88% similarity

Focus industries

#	Industry
#1	Thermal processes
#2	Environmental technology

Focus technologies

#	Technology
#1	Fluid heaters
#2	Solid fuel combustion
#3	Grates
#4	Casings for combustion chambers
#5	Cremation furnaces
#6	Controlling combustion

Top inventors

#	Name	Total Patents
#1	Richardson Dwight S	13

Latest patents

Publication	Filing date	Title
US1075380A	1912-10-28	Pressure-governed regulator.
US1072499A	1912-10-12	Hot-air furnace.
US990290A	1910-11-18	Combined stove and garbage-destroyer.
US893197A	1908-03-23	Air-heating furnace.
US909672A	1908-02-29	Hot-air heating-furnace.
US801159A	1904-12-30	Grate-bar.
US820130A	1904-10-22	Heating-furnace.
US761252A	1904-03-22	Sectional boiler.
US686907A	1901-04-22	Heating-furnace.
CA18920A	None	Radiator for air warming furnaces
CA38643A	None	Hot air furnace
CA18927A	None	Radiator for air warming furnaces
CA18422A	None	Radiator for furnaces for heating buildings, etc.