Assignee
HOLZMANN PHILIPP AG
DE·18 granted patents·272 citations·filing 1975–1991
Top patents by PatentIndex Score
18 records- 0175US4253781AMethod and an apparatus for providing a grouted anchorage against hydrostatic pressureHOLZMANN PHILIPP AG·Filed 1979·Granted Mar 3, 1981·33 cites·8 claims
- 0266US4662134ACryogenic wedge-type anchor for stranded tension cablesHOLZMANN PHILIPP AG·Filed 1985·Granted May 5, 1987·32 cites·4 claims
- 0362US4355453AMethod of protecting the surfaces of concrete structuresHOLZMANN PHILIPP AG·Filed 1980·Granted Oct 26, 1982·26 cites·10 claims
- 0461US5061119AMethod and apparatus for the remediation of contaminated soilsHOLZMANN PHILIPP AG·Filed 1990·Granted Oct 29, 1991·45 cites·10 claims
- 0560US4298230ATunnelling apparatusHOLZMANN PHILIPP AG·Filed 1980·Granted Nov 3, 1981·12 cites·8 claims
- 0659US4662773ASegmental tunnel lining consisting of reinforced concrete tubbingsHOLZMANN PHILIPP AG·Filed 1983·Granted May 5, 1987·14 cites·23 claims
- 0755US3986311AReinforcement for prestressed concrete members or buildingsHOLZMANN PHILIPP AG·Filed 1975·Granted Oct 19, 1976·21 cites·20 claims
- 0853US5127771ANarrow or slotted wall which is introduced into a substratum and sealing wall composition contained thereinHOLZMANN PHILIPP AG·Filed 1990·Granted Jul 7, 1992·22 cites·7 claims
- 0950US4332508AShield for tunneling and miningHOLZMANN PHILIPP AG·Filed 1980·Granted Jun 1, 1982·8 cites·18 claims
- 1050US4249870AClimbing framework for erecting concrete forms in the manufacture of straight or curved reinforced concrete wallsHOLZMANN PHILIPP AG·Filed 1978·Granted Feb 10, 1981·12 cites·12 claims
- 1142US4630798AMethod and device for erecting building structures such as bridges, using pre-fabricated concrete beamsHOLZMANN PHILIPP AG·Filed 1984·Granted Dec 23, 1986·8 cites·13 claims
- 1240US5174394AApparatus for cleaning layers of earthHOLZMANN PHILIPP AG·Filed 1991·Granted Dec 29, 1992·19 cites·17 claims
- 1339US5018639AStorage container for low-temperature liquidsHOLZMANN PHILIPP AG·Filed 1990·Granted May 28, 1991·9 cites·3 claims
- 1434US4492087AContainer for storing refrigerated liquidsHOLZMANN PHILIPP AG·Filed 1983·Granted Jan 8, 1985·7 cites·19 claims
- 1526US4407098ALiquid storage tank with steel-reinforced concrete exteriorHOLZMANN PHILIPP AG·Filed 1981·Granted Oct 4, 1983·1 cites·6 claims
- 1626US4255366AProcess of producing a cooling towerHOLZMANN PHILIPP AG·Filed 1978·Granted Mar 10, 1981·1 cites·7 claims
- 1725US4434591AComponent useful in producing a cooling towerHOLZMANN PHILIPP AG·Filed 1980·Granted Mar 6, 1984·0 cites·7 claims
- 1822US4499699AMolding device for sub-soil curtain wall sectionsHOLZMANN PHILIPP AG·Filed 1983·Granted Feb 19, 1985·2 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →