| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | United States | 5 | |
| #3 | Japan | 4 | |
| #4 | Canada | 3 | |
| #5 | German Democratic Republic | 2 | |
| #6 | EPO (European Patent Office) | 2 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Chemical engineering | |
| #3 | Electrical machinery and energy | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Separation | |
| #2 | Fillers | |
| #3 | Shaping of plastics | |
| #4 | Certain plastics | |
| #5 | Unspecified technologies | |
| #6 | Ignition for internal-combustion engines | |
| #7 | Electric discharge tubes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lippold Hans-Joachim | 12 |
| #2 | Lippold Hans-Joachim Dr | 6 |
| #3 | Hansuuyooahimu Ritsuporuto | 4 |
| Publication | Filing date | Title |
|---|---|---|
| DE10113077A1 | Fluid filter element | |
| DD291930A5 | Filter element | |
| DE4004079A1 | FILTER INSERT | |
| US5053131A | Filter cartridge | |
| US5066319A | Filter cartridge | |
| US5028331A | Filter cartridge | |
| DE3916838A1 | FILTER INSERT | |
| DE3030826A1 | Contactless interrupter for IC engine electronic ignition - has permanent magnet(s) in rotor and induction coil(s) in pulse generator plate at specified distances | |
| DE3015649A1 | Penning gas discharge ion source - has additional tubular inner anode fitted in first anode, with specified voltage ratios between front and rear cathode and anode |