| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Germany | 5 | |
| #3 | United Kingdom | 5 | |
| #4 | Canada | 3 | |
| #5 | Australia | 2 | |
| #6 | Spain | 2 | |
| #7 | South Africa | 2 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Basic communication technologies | |
| #3 | Computer technology |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Pulse technique | |
| #3 | Counting mechanisms |
| # | Name | Total Patents |
|---|---|---|
| #1 | Angel Henry R | 6 |
| #2 | Angel H | 4 |
| #3 | Angel Henry Robert | 4 |
| #4 | Petrucci Pasquale M | 3 |
| #5 | Estelle Weems E | 3 |
| #6 | Hennessy James William | 2 |
| #7 | Oefinger Arthur R | 2 |
| #8 | Hennessy James W | 2 |
| #9 | Oefinger Arthur Richard | 2 |
| #10 | Hennessy J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3973189A | Hematology system | |
| US3944791A | Platelet count correction circuit | |
| US3864551A | Coincidence correction circuit | |
| ZA7301955B | Hematology system | |
| US3781675A | Self priming conductivity cell | |
| GB1343465A | Particle counting system | |
| US3657725A | Particle counting system | |
| US3638227A | Automatic threshold plotter | |
| US3654439A | Particle counting apparatus having automatic display and threshold setting |