D H BONNELLA & SON LTD has a total of 11 patent applications. Its first patent ever was published in 1902. It filed its patents most often in United Kingdom, Germany and France. Its main competitors in its focus markets electrical machinery and energy, transport and mechanical elements are PERITUS AB, MERIT ELEKTRIK GMBH and EATON CONTROLS GMBH.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 8 | |
#2 | Germany | 2 | |
#3 | France | 1 |
# | Industry | |
---|---|---|
#1 | Electrical machinery and energy | |
#2 | Transport | |
#3 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Electric switches | |
#2 | Vehicle signalling and lighting | |
#3 | Gearing |
# | Name | Total Patents |
---|---|---|
#1 | Collings Reginald Jeffrey | 4 |
#2 | Ayres Frederick Charles | 3 |
#3 | Beale Michael Dand | 2 |
#4 | White Douglas Thomas | 1 |
#5 | Little Philip Vernon | 1 |
#6 | Everitt Laurie Harold Raymond | 1 |
#7 | Milne Alan John | 1 |
#8 | Vernon Little Philip | 1 |
Publication | Filing date | Title |
---|---|---|
GB1204960A | Improvements relating to rotary switches | |
GB1155358A | Improvements relating to Electrical Switches | |
GB1160140A | Improvements relating to Rotary Switches | |
GB1030054A | Improvements relating to electric switches | |
GB865538A | Improvements in or relating to electric switches | |
GB865539A | Improvements in or relating to electric switches | |
GB782174A | Improvements in electric tumbler switches | |
GB190207684A | Improved Electric Arc Light Mechanism Applicable for Rapid Exposure Photography. |