Protective element with drainage, for connecting to a concrete element of a tunnel extension
US-10830043-B2 · Nov 10, 2020 · US
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Herrenknecht Ag patents in 2020
Herrenknecht Ag was listed as an assignee on 4 patent publications in 2020.
| Metric | Value |
|---|---|
| Company | Herrenknecht Ag |
| Year | 2020 |
| Patents | 4 |
Patents
Representative publications for Herrenknecht Ag in 2020.
Drill pipe, and system and method for laying a pipeline
US-2020325735-A1 · Oct 15, 2020 · US
System and method for laying underground cables or underground lines in the ground near the surface
US-10734793-B2 · Aug 4, 2020 · US
Apparatus and method for driving a cavity in mining
US-10683750-B2 · Jun 16, 2020 · US
Top CPC classifications
Most common classification codes for Herrenknecht Ag in 2020.
| CPC | Patents |
|---|---|
| E21B7/046 | 2 |
| E21B7/28 | 2 |
| E02F5/18 | 1 |
| E04B2002/0265 | 1 |
| E04B2002/0286 | 1 |
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