| Patents for John Pountney Udal |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| GB-174,491 | Feb. 02, 1922 | J.P. Udal | Improvements in power drawing presses | metalworking machine safety guards |
| GB-214,899 | May 01, 1924 | J.P. Udal | Improvements relating to press guards | metalworking machine safety guards |
| GB-220,515 | Aug. 21, 1924 | J.P. Udal | Improvements relating to guards for machines of the platen type | metalworking machine safety guards |
| 1,545,929 | Jul. 14, 1925 | J.P. Udal | Press guard | metalworking machine safety guards |
| CA-290,325 | Jun. 11, 1929 | J.P. Udal | Press guard | metalworking machine safety guards |
| GB-346,167 | Apr. 09, 1931 | J.P. Udal | Improvements relating to guards for presses and like machines | metalworking machine safety guards |
| GB-349,776 | Jun. 04, 1931 | J.P. Udal | Improvements relating to guards for machines of the platen type | metalworking machine safety guards |
| GB-350,221 | Jun. 11, 1931 | J.P. Udal | Improvements relating to press guards | metalworking machine safety guards |
| GB-356,453 | Sep. 10, 1931 | J.P. Udal | Improvements relating to guards for presses and other like machines | metalworking machine safety guards |
| GB-383,349 | Nov. 17, 1932 | J.P. Udal | Improvements in adjustable-throw crank mechanism | metalworking presses |
| GB-390,921 | Apr. 20, 1933 | J.P. Udal | Improvements relating to guards for guillotine machines | metalworking machine safety guards |
| 1,906,778 | May 02, 1933 | J.P. Udal | Guard for presses and other like machines | metalworking machine safety guards |
