Patent Pending in U.S.
US 2020/0147914 A1 Press with Spindle Drive
US 011 465 381 B2 Four columns
Patended in U.S.
US 7 562 622 Manually operated press having an overload protection
US 11 519 553 B2 Movable Guard
https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/11519553
US 11 801 652 B2 overload clutch for TorquePress 560
US 11,911,988 B2 return spring for presses type no. 3/6 with stroke 100/160 and presses no. 11N