| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 10,702 | |
| #2 | United States | 1,092 | |
| #3 | Canada | 1,005 | |
| #4 | Ireland | 744 | |
| #5 | Australia | 416 | |
| #6 | South Africa | 205 | |
| #7 | EPO (European Patent Office) | 120 | |
| #8 | Japan | 99 | |
| #9 | Germany | 48 | |
| #10 | Denmark | 29 | |
| #11 | France | 25 | |
| #12 | Hong Kong | 23 | |
| #13 | Norway | 20 | |
| #14 | Spain | 15 | |
| #15 | WIPO (World Intellectual Property Organization) | 14 | |
| #16 | New Zealand | 13 | |
| #17 | Belgium | 9 | |
| #18 | Brazil | 9 | |
| #19 | Switzerland | 8 | |
| #20 | Portugal | 8 | |
| #21 | India | 7 | |
| #22 | Egypt | 6 | |
| #23 | Finland | 6 | |
| #24 | Netherlands | 6 | |
| #25 | China | 5 | |
| #26 | Italy | 5 | |
| #27 | Sweden | 5 | |
| #28 | Austria | 4 | |
| #29 | Israel | 2 | |
| #30 | Singapore | 2 | |
| #31 | Hungary | 1 | |
| #32 | Republic of Korea | 1 | |
| #33 | Malta | 1 | |
| #34 | Poland | 1 | |
| #35 | Zambia | 1 |
| # | Industry | |
|---|---|---|
| #1 | Telecommunications | |
| #2 | Electrical machinery and energy | |
| #3 | Measurement | |
| #4 | Semiconductors | |
| #5 | Basic communication technologies | |
| #6 | Digital networks |
| # | Technology | |
|---|---|---|
| #1 | Electric discharge tubes | |
| #2 | Selecting | |
| #3 | Radio navigation | |
| #4 | Semiconductor devices | |
| #5 | Pulse technique | |
| #6 | Telephonic communication | |
| #7 | Transmission | |
| #8 | Digital information transmission | |
| #9 | Electric switches | |
| #10 | Cables and insulators |
| # | Name | Total Patents |
|---|---|---|
| #1 | Grieg Donald D | 153 |
| #2 | Wright Esmond Philip Goodwin | 118 |
| #3 | Busignies Henri G | 75 |
| #4 | Earp Charles William | 73 |
| #5 | Emile Labin | 71 |
| #6 | Drake Cyril Francis | 64 |
| #7 | Brewster Arthur Edward | 60 |
| #8 | Labin Emile | 55 |
| #9 | Sterling Henley Frank | 51 |
| #10 | Bray Frederick Harry | 49 |
| Publication | Filing date | Title |
|---|---|---|
| US5156376A | Laying cables | |
| AU6092390A | Method for adjusting higher order filter stages | |
| GB9017433D0 | A digital transmission system | |
| AU5992390A | Fault location arrangement for digital transmission system | |
| AU5694790A | Phone line load matching arrangement | |
| AU5214690A | Microphone disable circuit for telephone subset | |
| AU4695389A | A circuit arrangement for providing power for an ic chip in a telephone subset | |
| AU4522689A | A protection circuit | |
| AU4521489A | A telephone subset arrangement | |
| AU4526289A | Clock synchronization | |
| EP0418282A1 | Portable call generator | |
| AU2973589A | Digital phone concentrator | |
| AU2973289A | A membrane pushbutton | |
| ZA8900427B | Testing of assemblies of electronic components | |
| ZA8809511B | Digital transmission | |
| AU2668488A | A digital phase locked loop | |
| AU4281589A | A push-button keypad | |
| AU1872888A | Programmable balance filter arrangement | |
| AU1658188A | Phone barring arrangement | |
| AU1344988A | Telephone subset circuit arrangement |