| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 | |
| #2 | EPO (European Patent Office) | 2 | |
| #3 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Chemical engineering | |
| #3 | Mechanical elements | |
| #4 | Environmental technology | |
| #5 | Civil engineering | |
| #6 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Mixing | |
| #3 | Water treatment | |
| #4 | Pipes | |
| #5 | Chemical or physical processes | |
| #6 | Venting or aerating devices | |
| #7 | Horticulture | |
| #8 | Domestic plumbing installations | |
| #9 | Compounding processes | |
| #10 | Installations for obtaining water |
| # | Name | Total Patents |
|---|---|---|
| #1 | King Sr Lloyd H | 15 |
| #2 | King Lloyd H Sr | 5 |
| #3 | King Joseph A | 1 |
| #4 | Roido Etsuchi Kingu Shiniaa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5163779A | Drain apparatus | |
| US5163465A | Vacuum breaker venting valve | |
| US5105844A | Two step branch forming attachment | |
| US5080527A | Drain apparatus | |
| US5094496A | Pipe pulling devices | |
| US4976279A | Self-draining backflow prevention valve | |
| US4890640A | Drainage valve | |
| US4763685A | Dispersal member | |
| US4788002A | Solvent cement | |
| US4702270A | Dispersal member | |
| US4687798A | Solvent cement | |
| US4662387A | Inline dispersal valve | |
| US4270565A | Inline dispersal valve | |
| US4317471A | Attachments for flexible or rigid tubing | |
| US4249562A | Inline dispersal valve | |
| US4241747A | Safety valve having a rupturable housing | |
| US4239265A | Attachments for pipes | |
| US3868191A | Multiple pipe pulling device |