THOMAS FISK ERNEST has a total of 11 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States. Its main competitors in its focus markets civil engineering, machines and electrical machinery and energy are KNORRING ENAR VON, BACHMANN OTTO and LOUVERDRAPE INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 11 |
# | Industry | |
---|---|---|
#1 | Civil engineering | |
#2 | Machines | |
#3 | Electrical machinery and energy | |
#4 | Measurement | |
#5 | Thermal processes |
# | Technology | |
---|---|---|
#1 | Doors and windows | |
#2 | Unspecified technologies | |
#3 | Air-conditioning | |
#4 | Electric discharge tubes | |
#5 | General building constructions | |
#6 | Mechanically-driven clocks |
# | Name | Total Patents |
---|---|---|
#1 | Thomas Fisk Ernest | 11 |
Publication | Filing date | Title |
---|---|---|
US2513465A | World time indicator | |
US2206175A | Sound-excluding ventilating window | |
US2125669A | Sound excluding ventilating window | |
US1878626A | Screen for wall apertures | |
US1825587A | Pivotal sash window | |
US1866201A | Sound suppressing ventilator fitting for windows | |
US1896053A | Sound suppressing ventilator | |
US1823798A | Sound suppressing ventilator fitting for windows | |
US1816769A | Sound suppressing ventilator fitment for wall apertures | |
US1617384A | Sound-screening attachment for windows and doorways | |
US1720724A | Electron-discharge device |