Class E02F : DREDGING; SOIL-SHIFTING
Subclass 3/12: Dredgers; Soil-shifting machines (for special purposes E02F 5/00; other machines or apparatus for mining E21C; tunnelling E21D) mechanically-driven with digging elements on an endless chain (conveyers B65G) Component parts
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12049743 | Slurry wall cutter | Jan 21, 20 | Jul 30, 24 | Liebherr-Werk Nenzing GmbH |
| 6123156 | Mid-chassis plow or scrapper angling support | Apr 17, 97 | Sep 26, 00 | TENCO INC., 177197 CANADA LTEE, |
| 5947209 | Ground working implement including a shank and a tip | Feb 27, 97 | Sep 07, 99 | DEERE & COMPANY, Vale Farms Ltd., |
| 5667020 | Circle and drawbar assembly for a motor grader | Jan 26, 96 | Sep 16, 97 | CATERPILLAR INC. |
| RE35088 | Trenching machine with laterally adjustable chain-type digging implement | Jul 23, 93 | Nov 14, 95 | ASTEC INDUSTRIES, INC. |
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