Philipp Holzmann Aktiengesellschaft
Patent Applications and Registrations
Patent applications and USPTO patent grants for Philipp Holzmann Aktiengesellschaft.The latest application filed is for "narrow or slotted wall which is introduced into a substratum and sealing wall composition contained therein".
- Philipp Holzmann Aktiengesellschaft - Frankfurt am Main DE
| Patent | Date |
|---|---|
| Narrow or slotted wall which is introduced into a substratum and sealing wall composition contained therein Grant 5,127,771 - Wind July 7, 1 | 1992-07-07 |
| Method and apparatus for the remediation of contaminated soils Grant 5,061,119 - Balthaus , et al. October 29, 1 | 1991-10-29 |
| Method of protecting the surfaces of concrete structures Grant 4,355,453 - Pause , et al. October 26, 1 | 1982-10-26 |
| Method and an apparatus for providing a grouted anchorage against hydrostatic pressure Grant 4,253,781 - Fischer , et al. March 3, 1 | 1981-03-03 |
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