ROYDEN ALBERT ROTHERMEL has a total of 12 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United Kingdom and France. Its main competitors in its focus markets mechanical elements, audio-visual technology and engines, pumps and turbines are TRIBOLOGY SYSTEMS INC, IZOSIMOV MIKHAIL E and SPINEA S R O KOSICE.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 9 | |
#2 | France | 3 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Audio-visual technology | |
#3 | Engines, pumps and turbines | |
#4 | Electrical machinery and energy | |
#5 | Measurement | |
#6 | Environmental technology | |
#7 | Transport |
# | Technology | |
---|---|---|
#1 | Shafts | |
#2 | Loudspeakers and microphones | |
#3 | Ignition for internal-combustion engines | |
#4 | Vehicle parts | |
#5 | Batteries | |
#6 | Reduction of greenhouse gas emissions | |
#7 | Gearing | |
#8 | Measuring speed and acceleration |
# | Name | Total Patents |
---|---|---|
#1 | Rothermel Royden Albert | 3 |
Publication | Filing date | Title |
---|---|---|
GB608096A | An improved device for preventing predetermined speeds being exceeded by parts driven by internal combustion engines | |
GB537250A | Improvements in and relating to the manufacture of storage battery separators | |
GB503562A | Improved means for preventing predetermined speeds being exceeded by parts driven by internal combustion engines | |
GB400119A | Improvements in and relating to moving coil loud speakers | |
GB322622A | Improvements in and relating to loud speakers | |
GB248672A | An improved system of lubrication | |
GB181918A | Improvements in and relating to self-lubricating bearings | |
GB144493A | Improvements in connected with thrust and like bearings | |
GB148733A | Improvements in connection with thrust and like bearings |