| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Germany | 1 | |
| #3 | France | 1 | |
| #4 | Italy | 1 | |
| #5 | Netherlands | 1 | |
| #6 | United States | 1 | |
| #7 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Chemical engineering |
| # | Technology | |
|---|---|---|
| #1 | Analysing materials | |
| #2 | Separation |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hendry Robert John | 3 |
| #2 | Staveley Christopher John | 1 |
| #3 | Hendry R | 1 |
| #4 | Campbell John | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB8728113D0 | Filter system | |
| GB8306940D0 | Sample analysis apparatus | |
| GB2099575A | Improved colorimetry equipment and method | |
| GB2075672A | Washpot for use with sampling probe | |
| ZA7406516B | Improvements in or relating to sampling probes | |
| GB1445389A | Sampling arrangements |