Assignee
WINTERSHALL AG
17 granted patents·322 citations·filing 1977–1988
Top patents by PatentIndex Score
17 records- 0184US4720456ATrehalose lipid tetraestersWINTERSHALL AG·Filed 1986·Granted Jan 19, 1988·42 cites·6 claims
- 0283US4814272AProcess for the biotechnical production of rhamnolipids including rhamnolipids with only one β-hydroxydecanoic acid residue in the moleculeWINTERSHALL AG·Filed 1985·Granted Mar 21, 1989·51 cites·8 claims
- 0375US5128262AMicrobial decontamination of soils contaminated with hydrocarbons, in particular mineral oils by microbial oxidationWINTERSHALL AG·Filed 1988·Granted Jul 7, 1992·35 cites·18 claims
- 0474US4198273AApparatus for producing petroleum coke calcinateWINTERSHALL AG·Filed 1978·Granted Apr 15, 1980·27 cites·3 claims
- 0569US4577999AProcess for storing liquid waste in salt cavitiesWINTERSHALL AG·Filed 1983·Granted Mar 25, 1986·33 cites·13 claims
- 0667US4576513AProcess for terminal storage of pumpable wastesWINTERSHALL AG·Filed 1982·Granted Mar 18, 1986·19 cites·15 claims
- 0766US4392892AProcess for separating hydrocarbons from particulate solidsWINTERSHALL AG·Filed 1981·Granted Jul 12, 1983·13 cites·11 claims
- 0862US4886393APretreatment of solid wastes, and wastes to be compacted, for introduction into underground salt cavities of salt caverns via a downpipe under the force of gravityWINTERSHALL AG·Filed 1987·Granted Dec 12, 1989·21 cites·15 claims
- 0958US4176010AMethod of producing petroleum coke calcinateWINTERSHALL AG·Filed 1977·Granted Nov 27, 1979·17 cites·3 claims
- 1056US4692061AProcess for dumping of particulate solid waste materials in underground salt enclosed cavitivesWINTERSHALL AG·Filed 1985·Granted Sep 8, 1987·21 cites·13 claims
- 1154US4435290AProcess for the temporary storage of recyclable liquid wastes in underground salt cavernsWINTERSHALL AG·Filed 1982·Granted Mar 6, 1984·16 cites·21 claims
- 1247US4921615ASeparation of solid particles of various sizes from viscous liquidsWINTERSHALL AG·Filed 1988·Granted May 1, 1990·7 cites·23 claims
- 1342US4663039AApparatus for removal of oil from water and adsorbents using glycolipidsWINTERSHALL AG·Filed 1982·Granted May 5, 1987·7 cites·6 claims
- 1440US4374735AMethod for removal of oil from sorbents using glycolipidsWINTERSHALL AG·Filed 1980·Granted Feb 22, 1983·7 cites·5 claims
- 1535US4223730AMethod for the tertiary recovery of petroleum by flooding with hot water and an aqueous alkaline solutionWINTERSHALL AG·Filed 1978·Granted Sep 23, 1980·5 cites·9 claims
- 1629US4437993APrevention of penetration of oily hydrocarbons into sandWINTERSHALL AG·Filed 1981·Granted Mar 20, 1984·1 cites·16 claims
- 1710US4269082AResetting device for the cam head on a deep-well pump driveWINTERSHALL AG·Filed 1979·Granted May 26, 1981·0 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →