| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | United Kingdom | 5 | |
| #3 | Australia | 2 | |
| #4 | South Africa | 2 | |
| #5 | Argentina | 1 | |
| #6 | Brazil | 1 | |
| #7 | Denmark | 1 | |
| #8 | Ireland | 1 | |
| #9 | Israel | 1 | |
| #10 | India | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Measurement | |
| #3 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Hot gas positive-displacement engine plants | |
| #2 | Machines | |
| #3 | Analysing materials | |
| #4 | Special machines | |
| #5 | Pumps | |
| #6 | Refrigerators |
| # | Name | Total Patents |
|---|---|---|
| #1 | Schuman M | 12 |
| Publication | Filing date | Title |
|---|---|---|
| GB1459229A | Spectrometric substance analyzer | |
| US3836255A | Spectrometric substance analyzer employing temperature modulation | |
| US3767325A | Free piston pump | |
| US3827675A | Oscillating bellows | |
| US3807904A | Oscillating piston apparatus | |
| US3782859A | Free piston apparatus | |
| US3733974A | Piston cylinder combination |