| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 14 | |
| #2 | United States | 11 | |
| #3 | EPO (European Patent Office) | 7 | |
| #4 | Brazil | 4 | |
| #5 | Switzerland | 4 | |
| #6 | China | 4 | |
| #7 | USSR (Union of Socialist Soviet Republics) | 2 | |
| #8 | Finland | 1 | |
| #9 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines | |
| #4 | Packaging and shipping | |
| #5 | Environmental technology |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Unspecified technologies | |
| #3 | Rotary pistons | |
| #4 | Pistons and sealings | |
| #5 | Containers for goods storage | |
| #6 | Combustion residues removal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Maier Hans Paul | 33 |
| #2 | Vlaykowski Nikolay | 14 |
| #3 | Maier Hans P | 11 |
| #4 | Trissler Heinrich | 3 |
| #5 | Haberstock Rolf | 3 |
| #6 | Mainer Hans Paul | 1 |
| #7 | Hans Paul Maier | 1 |
| #8 | Majer Khans Paul | 1 |
| #9 | Paul Maier Hans | 1 |
| #10 | Nikolay Vlaykowski | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3941247A1 | Chimney lining made from refractory tubes - which are joined end to end with graphite joint rings between tubes | |
| DE3839012A1 | Pipe coupling | |
| DE3719950A1 | DISPLACEMENT MACHINE | |
| DE3706900A1 | Hose-connection means | |
| EP0237758A2 | Seal | |
| DE3702949A1 | Pipe coupling | |
| DE3702948A1 | PIPE COUPLING | |
| DE3643513A1 | Pipe connection | |
| DE3642116A1 | SPRING-ELASTIC ECCENTRIC BEARING FOR DISPLACEMENT MACHINES | |
| DE3639969A1 | Bearing arrangement of a displacer in a displacement chamber | |
| CH670689A5 | Clamp for butt-joining pipe ends - has outer and inner clamping edges set in one plane w.r.t. clamping ring | |
| DE3604467A1 | FLANGE CONNECTION | |
| DE3530972A1 | COMPENSATOR | |
| EP0186727A1 | Tube coupling | |
| US4667988A | Clamping element | |
| DE3508296A1 | PIPE CONNECTION | |
| DE3508287A1 | PIPE CONNECTION FOR FITTINGS OR MACHINES | |
| DE3508294A1 | Connection between two container sections |