| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 1,412 | |
| #2 | France | 372 | |
| #3 | United Kingdom | 341 | |
| #4 | United States | 245 | |
| #5 | Switzerland | 243 | |
| #6 | Austria | 181 | |
| #7 | Sweden | 171 | |
| #8 | Belgium | 148 | |
| #9 | Canada | 145 | |
| #10 | Italy | 130 | |
| #11 | Japan | 129 | |
| #12 | Netherlands | 125 | |
| #13 | Denmark | 104 | |
| #14 | Norway | 74 | |
| #15 | Brazil | 73 | |
| #16 | Finland | 66 | |
| #17 | Spain | 47 | |
| #18 | Argentina | 39 | |
| #19 | Australia | 34 | |
| #20 | EPO (European Patent Office) | 29 | |
| #21 | South Africa | 25 | |
| #22 | India | 24 | |
| #23 | Yugoslavia (Serbia and Montenegro) | 23 | |
| #24 | USSR (Union of Socialist Soviet Republics) | 21 | |
| #25 | German Democratic Republic | 17 | |
| #26 | Republic of Korea | 14 | |
| #27 | Greece | 9 | |
| #28 | Poland | 8 | |
| #29 | Mexico | 7 | |
| #30 | Hungary | 5 | |
| #31 | Ireland | 5 | |
| #32 | Portugal | 5 | |
| #33 | Czechoslovakia | 3 | |
| #34 | Israel | 3 | |
| #35 | Turkey | 2 | |
| #36 | Bulgaria | 1 | |
| #37 | Czechia | 1 | |
| #38 | Egypt | 1 | |
| #39 | New Zealand | 1 | |
| #40 | Romania | 1 | |
| #41 | Slovenia | 1 | |
| #42 | Slovakia | 1 | |
| #43 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Machine tools | |
| #5 | Materials and metallurgy |
| # | Technology | |
|---|---|---|
| #1 | Cables and insulators | |
| #2 | Pipes | |
| #3 | Shaping of plastics | |
| #4 | Making metal sheets | |
| #5 | Unspecified technologies | |
| #6 | Casting metal | |
| #7 | Electrically-conductive connections | |
| #8 | Unspecified technologies | |
| #9 | Fillers | |
| #10 | Installation of electric cables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Eilhardt Bernd | 95 |
| #2 | Ziemek Gerhard | 89 |
| #3 | Gravemann Horst | 82 |
| #4 | Schatz Friedrich | 81 |
| #5 | Ziemek G | 76 |
| #6 | Uhlmann Otto | 71 |
| #7 | Ziemek Gerhard Dr Ing | 62 |
| #8 | Kuypers Hubert | 48 |
| #9 | Breitenbach Otto | 44 |
| #10 | Ziemek Gerhard Dr | 39 |
| Publication | Filing date | Title |
|---|---|---|
| US5074921A | Copper alloy and method | |
| FI882355A0 | FOERFARANDE Foer FRAMSTAELLNING AV EN HAOLPROFIL AV METALL. | |
| DE3727454A1 | Method of manufacturing ribbed tubes | |
| DE3725950A1 | USE OF A COPPER ALLOY AS A MATERIAL FOR CONTINUOUS CASTING MOLDS | |
| DE3721646A1 | Hydraulic press | |
| EP0249740A2 | Using a copper alloy | |
| EP0243789A2 | Method for manufacturing moulds for continuous-casting machines | |
| DE3708150A1 | DEVICE FOR CHIPING CURVED SURFACES | |
| DE3638663A1 | COPPER ALLOY AND THEIR USE | |
| SI8611309A8 | Dye for continual metal casting | |
| DE3620654A1 | COPPER ALLOY | |
| DE3620655A1 | Copper alloy for producing concast moulds | |
| DE3615079A1 | Process for producing open-ended dies for continuous casting machines | |
| DE3615004A1 | Process for forming cut-to-length pieces of pipe into bent die tubes | |
| DE3541112A1 | Arrangement for securing a foot board on a roof | |
| DE3541111A1 | Valley in roof covered by metal roofing tiles | |
| DE3538997A1 | Verge profile | |
| DE3538998A1 | Roofing tile | |
| GB8508599D0 | Continuous casting moulds | |
| CA1257078A | Method of making multiple rigid concentric tube system |