| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 | |
| #4 | Germany | 2 | |
| #5 | France | 2 | |
| #6 | United Kingdom | 2 | |
| #7 | Netherlands | 2 | |
| #8 | Argentina | 1 | |
| #9 | Belgium | 1 | |
| #10 | Brazil | 1 | |
| #11 | Switzerland | 1 | |
| #12 | Egypt | 1 | |
| #13 | Spain | 1 | |
| #14 | Israel | 1 | |
| #15 | India | 1 | |
| #16 | Italy | 1 | |
| #17 | Sweden | 1 | |
| #18 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Electrical machinery and energy | |
| #3 | Measurement | |
| #4 | Machines | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Pipes | |
| #2 | Installation of electric cables | |
| #3 | Unspecified technologies | |
| #4 | Measuring distances | |
| #5 | Foundations and excavations |
| # | Name | Total Patents |
|---|---|---|
| #1 | Streit Kenneth F | 8 |
| #2 | Streit K F | 2 |
| #3 | Freeman Jerry H | 2 |
| #4 | Streit K | 2 |
| #5 | Freeman Jerry Herbert | 2 |
| #6 | Freeman J H | 1 |
| #7 | Freeman J | 1 |
| #8 | Kenneth F | 1 |
| #9 | Streit | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4185424A | Molded plastic stake | |
| US4096887A | Multibore conduit | |
| US4050721A | Reinforced plastic pipe | |
| US4019760A | Device for connecting conduit to a manhole or the like | |
| US4002358A | Adapter for connecting conduit to pipe | |
| EG11368A | Light weight cable housing | |
| ZA7406280B | Light weight cable housing | |
| US3792878A | Conduit sections | |
| US3545493A | Conduit sections |