| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines | |
| #3 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Sanitary equipment | |
| #2 | Processes for applying fluent materials | |
| #3 | Shaping of plastics | |
| #4 | Certain plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hefty Bela | 9 |
| #2 | Hefty Arpad | 4 |
| #3 | Hefty Bela Dipl Ing | 3 |
| #4 | Hefty Bela Dipl-Ing | 1 |
| #5 | Hefty B | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3331740A1 | Device for mounting and exchanging a tubular protective cover on a toilet seat | |
| DE3329154A1 | Protective covering for lavatory seats in the form of a tubular film of plastic as well as process and device for production thereof | |
| DE3329157A1 | DEVICE FOR APPLYING AND TRANSMITTING A PROTECTIVE COVER FOR CLOSET GLASSES | |
| DE3329155A1 | Roll-on reel for a device for applying and for further conveying a tubular protective covering for a lavatory seat |