HENRY HYMAN & CO INC has a total of 16 patent applications. Its first patent ever was published in 1916. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and machines are HARVEY WILLIAM A, MEGINNISS FRANCIS R and ERNST RADEMACHER.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 16 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Audio-visual technology | |
#3 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Drufva John T | 5 |
#2 | Norden Charles F | 3 |
#3 | William Lindsay | 2 |
#4 | Henry Hyman | 2 |
#5 | Harry Rothenberg | 1 |
#6 | Jack Kleinman | 1 |
#7 | Abraham Rubin | 1 |
#8 | Rothenberg Harry | 1 |
Publication | Filing date | Title |
---|---|---|
US1546078A | Battery handlamp | |
US1546079A | Battery handlamp | |
US1620263A | Telephone receiver | |
US1556246A | Lamp socket with timing device | |
US1533613A | Variometer connecter | |
US1491152A | Electric switch | |
US1493559A | Smap switch for plugs | |
US1491151A | Electric switch mechanism | |
US1546605A | Switch with timing device | |
US1432164A | Portable electric light | |
US1433913A | Portable electric light | |
US1287262A | Portable electric light. | |
US1272781A | Portable electric light. | |
US1287918A | Portable electric light. | |
US1287919A | Portable electric light. | |
US1289274A | Portable electric light. |