FRANK BERNHARD DEHN has a total of 13 patent applications. Its first patent ever was published in 1926. It filed its patents most often in United Kingdom. Its main competitors in its focus markets chemical engineering, mechanical elements and electrical machinery and energy are BGRIMM MECHANICAL & ELECTRICAL TECHNOLOGY CO LTD, SCANIAINVENTOR AB and CHERIFIEN OFFICE PHOSPHATES.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 13 |
# | Technology | |
---|---|---|
#1 | Transport or storage devices | |
#2 | Shafts | |
#3 | Servomotors | |
#4 | Soaps | |
#5 | Brushes | |
#6 | Magnetic or electrostatic solid separation | |
#7 | Flotation | |
#8 | Foundry moulding | |
#9 | Refrigerators | |
#10 | Electric discharge tubes |
Publication | Filing date | Title |
---|---|---|
GB599933A | Compensator-accumulator unit for hydraulic systems | |
GB594496A | Improvements in froth flotation apparatus | |
GB595621A | Earth moving apparatus | |
GB590853A | Impact tool | |
GB566011A | Magnetic plugs for gear and other housings | |
GB528857A | Improvements in electric furnaces | |
GB482800A | Lubricated rubber joint | |
GB482788A | Toothbrush | |
GB482745A | Fluid compressors | |
GB284784A | Improvements in variable speed transmissions |