| Patents for H. W. Kearns & Co., Ltd. |
Patents 16 -
30
of 36
      |
| Number | Date | Patentee | Title | Type |
| GB-550,219 | Dec. 29, 1942 | H.W. Kearns | Claw clutches | horizontal boring mills |
| GB-621,658 | Apr. 13, 1949 | H.W. Kearns | Improvements in the feed mechanism of combined boring and milling machines | horizontal boring mills |
| GB-649,637 | Jan. 31, 1951 | H.W. Kearns | Scale-reading apparatus | horizontal boring mills |
| GB-658,492 | Oct. 10, 1951 | H.W. Kearns | Improvements relating to the control of electrically effected adjustments of horizontal boring machines | |
| GB-683,200 | Nov. 26, 1952 | H.W. Kearns | Improvements relating to work tables of horizontal boring machines | horizontal boring mills |
| GB-738,873 | Oct. 19, 1955 | H.W. Kearns | Improvements relating to face plates of horizontal boring and facing machines | horizontal boring mills |
| GB-740,835 | Nov. 23, 1955 | H.W. Kearns | Improvements in work tables of horizontal boring machines | horizontal boring mills |
| GB-830,432 | Mar. 16, 1960 | C.A. Sparkes | Improvements in large revolving work tables of horizontal boring machines and other machine tools | horizontal boring mills |
| GB-845,350 | Aug. 17, 1960 | H.W. Kearns | An improved longitudinal traversing drive for the travelling spindle of a horizontal boring machine tool | horizontal boring mills |
| GB-849,239 | Sep. 21, 1960 | C.A. Sparkes | Improvements related to work tables of horizontal boring machines | horizontal boring mills |
| GB-900,717 | Jul. 11, 1962 | C.A. Sparkes | Improvements in horizontal boring machine tools | horizontal boring mills |
| GB-944,689 | Dec. 18, 1963 | C.A. Sparkes | Improvements in large revolving work tables of horizontal boring machines and other machine tools | horizontal boring mills |
| GB-966,736 | Aug. 12, 1964 | C.A. Sparkes | Improvements in revolving work tables of horizontal boring machines and other machine tools | horizontal boring mills |
| GB-966,737 | Aug. 12, 1964 | C.A. Sparkes | Improvements in revolving work tables of horizontal boring machines and other machine tools | horizontal boring mills |
| GB-1,022,801 | Mar. 16, 1966 | C.A. Sparkes | An improved optical system for setting worktables of machine tools | horizontal boring mills |
