KELLER JOHN has a total of 11 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 electrical machinery and energy, machines and mechanical elements are BLACKBURN MICROTECH SOLUTIONS, KING LAB INC and RAYTHEON PRODUCTION CORP.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 2 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Machines | |
#3 | Mechanical elements | |
#4 | Furniture and games | |
#5 | Digital networks | |
#6 | Measurement | |
#7 | Control | |
#8 | Consumer goods |
# | Technology | |
---|---|---|
#1 | Unspecified technologies | |
#2 | Electric discharge tubes | |
#3 | Venting or aerating devices | |
#4 | Household appliances | |
#5 | Measuring temperature | |
#6 | Digital information transmission | |
#7 | Saddles | |
#8 | Frames | |
#9 | Systems controlling non-electric variables | |
#10 | Games |
# | Name | Total Patents |
---|---|---|
#1 | Keller John | 11 |
#2 | Titsworth Richard | 2 |
#3 | Sutherland Orson | 2 |
#4 | Charles Christine | 2 |
#5 | Boswell Roderick | 2 |
#6 | Scipioni Lawrence | 2 |
#7 | Smith Noel | 2 |
#8 | Strietzel Jonathan | 1 |
Publication | Filing date | Title |
---|---|---|
US2016335993A1 | Apparatus including an instrument holder | |
US2012021835A1 | Systems and methods for server based video gaming | |
US7012535B2 | Battery operated warning sensor | |
US1275443A | Sash-lock. | |
US725451A | Automatic gate-valve for rain conductor-pipes. | |
US692859A | Aparejo. | |
US670882A | Envelop. | |
CA261671A | Electricity current collector | |
CA28049A | Method of cutting and jointing racoon tails |