FERNAND HOLWECK has a total of 13 patent applications. Its first patent ever was published in 1913. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and basic communication technologies are MATSUSHITA DISPLAY DEVICES GER, OWEN HARRIES JOHN HENRY and FRANCOIS JOSEPH GERARD VAN DEN.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 8 | |
#2 | France | 3 | |
#3 | Germany | 1 | |
#4 | United States | 1 |
# | Technology | |
---|---|---|
#1 | Electric discharge tubes | |
#2 | Television | |
#3 | Demodulation | |
#4 | Special measuring | |
#5 | Climate change mitigation in wastewater treatment | |
#6 | X-ray technique |
# | Name | Total Patents |
---|---|---|
#1 | Holweck Fernand | 3 |
#2 | Fernand Holweck | 2 |
Publication | Filing date | Title |
---|---|---|
GB286649A | Improvements in or relating to thermionic valves | |
GB286613A | Improvements in or relating to mirrors for use in oscillographs and the like instruments | |
GB267120A | Improvements in or relating to picture telegraphy and the like | |
GB236220A | Improvements in thermionic apparatus | |
US1660381A | Thermionic apparatus | |
GB211143A | Improvements in thermionic apparatus | |
GB206155A | Improvements in thermionic apparatus | |
GB189137A | Improved apparatus for radiology | |
GB191402206A | Improvements in or relating to Cathodic Detectors. |