Jorma Laapotti
44Patents
15h-index
32Co-inventors
81Inventor score
Filing activity: Feb 28, 1983 → Jun 8, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5865955A | Method and device for enhancing the run of a paper web in a paper machine | Textiles; Paper | 80 | Expired |
| US4976821A | Press section with separate press zones in a paper machine | Textiles; Paper | 63 | Expired |
| US4976820A | Method for hot-pressing of a web | Textiles; Paper | 47 | Expired |
| US5043046A | Extended nip-press | Textiles; Paper | 46 | Expired |
| US4526655A | Press section with separate press nips in a paper machine | Textiles; Paper | 41 | Expired |
| US4919759A | Control of detachment of a paper web from a roll using heat | Textiles; Paper | 40 | Expired |
| US4568423A | Apparatus with a long press zone in the press treatment of a web | Performing Operations; Transporting | 39 | Expired |
| US4576682A | Long-nip press for a paper making machine | Textiles; Paper | 38 | Expired |
| US5611893A | Device for dewatering of a paper web including prepressing with extended nip shoe | Textiles; Paper | 31 | Expired |
| US4931143A | Press section with separate press nips in a paper machine | Textiles; Paper | 26 | Expired |
| US5240563A | Compact press section with closed draw of the web in a paper machine | Textiles; Paper | 25 | Expired |
| US4586984A | Press section for a fibrous web | Textiles; Paper | 21 | Expired |
| US4919762A | Press section and press section/frame construction combination in a paper machine | Textiles; Paper | 18 | Expired |
| US5120400A | Heating method and device in a paper machine press section provided with a separate press | Textiles; Paper | 18 | Expired |
| US6004430A | Method and device for enhancing the run of a paper web in a paper machine | Textiles; Paper | 18 | Expired |
| US5496442A | Method and apparatus for opening a nip in an extended-nip press | Textiles; Paper | 15 | Expired |
| US5810974A | Press section including an extended-nip press with an internally heated center roll | Textiles; Paper | 15 | Expired |
| US5865954A | Method for dewatering a web in a paper making machine employing an extended nip press | Textiles; Paper | 10 | Expired |
| US5868904A | Press section employing an extended nip press with suction counter roll | Textiles; Paper | 9 | Expired |
| US5833810A | Press section of a paper making machine employing an extended nip press | Textiles; Paper | 9 | Expired |
| US5908536A | Method and machine for removing water from a paper or board web by pressing | Textiles; Paper | 9 | Expired |
| US5393383A | Compact press section with closed draw of the web in a paper machine | Textiles; Paper | 8 | Expired |
| US6432273B1 | Former-press section in a paper machine and method for transfer of the web from the former to the press section | Textiles; Paper | 8 | Expired |
| US5792320A | Method and device for removing water from a paper or board web by pressing | Textiles; Paper | 8 | Expired |
| US5662778A | Press section with an equalizing nip in a paper machine | Textiles; Paper | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.