SPERRY GYROSCOPE CO LTD has a total of 1,138 patent applications. Its first patent ever was published in 1911. It filed its patents most often in France, United Kingdom and United States. Its main competitors in its focus markets measurement, control and machines are MESSGERAETE BOYKOW G M B H, SPERRY GYROSCOPE CO INC and SIEMENS APP UND MASCHINEN GMBH.
# | Country | Total Patents | |
---|---|---|---|
#1 | France | 340 | |
#2 | United Kingdom | 331 | |
#3 | United States | 261 | |
#4 | Canada | 127 | |
#5 | Germany | 67 | |
#6 | Belgium | 5 | |
#7 | Spain | 4 | |
#8 | Denmark | 2 | |
#9 | Austria | 1 |
# | Industry | |
---|---|---|
#1 | Measurement | |
#2 | Control | |
#3 | Machines | |
#4 | Transport | |
#5 | Mechanical elements | |
#6 | Electrical machinery and energy |
# | Technology | |
---|---|---|
#1 | Measuring distances | |
#2 | Systems controlling non-electric variables | |
#3 | Unspecified technologies | |
#4 | Aeroplanes | |
#5 | Radio navigation | |
#6 | Measuring speed and acceleration | |
#7 | Servomotors | |
#8 | Special electric heating or lighting | |
#9 | Shafts | |
#10 | Ships |
# | Name | Total Patents |
---|---|---|
#1 | Sperry Elmer A | 46 |
#2 | Sedgfield Hugh Brougham | 43 |
#3 | Summerlin Frederick Arthur | 40 |
#4 | Hadekel Ruben | 27 |
#5 | Glenny Arthur Philip | 23 |
#6 | Sedgfield Hugh B | 21 |
#7 | Brougham Sedgfield Hugh | 18 |
#8 | Dove Frank | 17 |
#9 | Tanner Harry L | 16 |
#10 | Philip Glenny Arthur | 15 |
Publication | Filing date | Title |
---|---|---|
GB1098426A | Aircraft flight instruments for take-off operations | |
DE1482874A1 | Harvester | |
US3342213A | Hydraulic apparatus | |
GB1076073A | Electrical connections to film wire | |
GB1079383A | Distance-moved sensitive device | |
GB1073308A | Apparatus for measuring the speed of vehicles | |
GB1067791A | Magnetometers | |
GB1062302A | Improvements relating to plating processes | |
GB1074294A | Ball resolver | |
GB1081792A | Electrical transmission system | |
GB1056713A | Moving scale instrument | |
GB1038304A | Warning apparatus | |
GB1063779A | Improvements relating to the conversion and recording of instruments readings | |
GB1063093A | Improvements in or relating to commutators | |
GB1071882A | Take-off director | |
GB1063092A | Improvements in metal plating processes | |
GB1094107A | Agricultural planting machinery | |
GB1029266A | Electrical contacts | |
GB1078973A | Indicating instruments | |
GB1007633A | Hydraulic positioning apparatus |