| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Transport | |
| #3 | Machines | |
| #4 | Engines, pumps and turbines | |
| #5 | Mechanical elements | |
| #6 | Civil engineering | |
| #7 | Furniture and games | |
| #8 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Ships | |
| #3 | Unspecified technologies | |
| #4 | Siphons | |
| #5 | Venting or aerating devices | |
| #6 | Indexing scheme relating to hinges | |
| #7 | Unspecified technologies | |
| #8 | Hand carried bags | |
| #9 | Kitchen equipment | |
| #10 | Hinges for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wolff Robert C | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US4685840A | Method of transporting large diameter particulate matter | |
| US4485843A | Variable pressure relief and control valve | |
| US4418805A | Hinge means and luggage combined therewith | |
| US4384704A | Cargo valve | |
| US4328831A | Rotary valve | |
| US4336763A | Marine vessel transfer system | |
| US3883269A | Liquid transfer system | |
| US2208955A | Agitator for domestic mixers |