| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 11 | |
| #2 | United States | 5 | |
| #3 | Argentina | 1 | |
| #4 | Australia | 1 | |
| #5 | Brazil | 1 | |
| #6 | Switzerland | 1 | |
| #7 | Germany | 1 | |
| #8 | France | 1 | |
| #9 | United Kingdom | 1 | |
| #10 | Italy | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Thermal processes | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Air-conditioning | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Steam traps | |
| #5 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hilmer Milton | 7 |
| #2 | Ritter John W | 6 |
| #3 | Cusi Eduardo L | 6 |
| #4 | Jiandani Niranjan | 3 |
| #5 | Ritter John William | 2 |
| #6 | Curatola Paul C | 2 |
| #7 | Jiandani N | 1 |
| #8 | Ritter J | 1 |
| #9 | Adlam Thomas Napier | 1 |
| #10 | Hilmer Mitlon | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4192341A | Drain trap valve mechanism | |
| US3923483A | Steam separator | |
| US3489349A | Outboard thermostatic steam trap | |
| US3512544A | Thermodynamic steam trap | |
| US3470899A | Self cleaning guide bushing | |
| CA728960A | Thermodynamic trap | |
| CA824023A | Control valve | |
| CA614264A | Indicating and controlling apparatus | |
| CA887983A | Thermodynamic steam trap | |
| CA850972A | Self cleaning guide bushing | |
| CA743819A | Balance valve | |
| CA677730A | Pressure reducing valves | |
| CA898103A | Outboard thermostatic steam trap | |
| CA783985A | Steam trap | |
| CA337857A | Pressure-temperature control apparatus | |
| CA682996A | Pressure reducing valves |