Assignee
IEG IND ENGINEERING GMBH
DE·24 granted patents·668 citations·filing 1988–1993
Top patents by PatentIndex Score
24 records- 0191US5116163AArrangement for driving out volatile impurities from ground waterIEG IND ENGINEERING GMBH·Filed 1991·Granted May 26, 1992·73 cites·3 claims
- 0280US5403476AArrangement for removing impurities from ground waterIEG IND ENGINEERING GMBH·Filed 1993·Granted Apr 4, 1995·41 cites·15 claims
- 0376US5318698AArrangement for cleaning contaminated ground waterIEG IND ENGINEERING GMBH·Filed 1992·Granted Jun 7, 1994·36 cites·6 claims
- 0476US5143606AArrangement for cleaning contaminated ground waterIEG IND ENGINEERING GMBH·Filed 1991·Granted Sep 1, 1992·41 cites·20 claims
- 0573US4886119AMethod of and arrangement for driving volatile impurities from groundIEG IND ENGINEERING GMBH·Filed 1988·Granted Dec 12, 1989·51 cites·20 claims
- 0671US5143607AArrangement for driving out volatile impurities from ground waterIEG IND ENGINEERING GMBH·Filed 1991·Granted Sep 1, 1992·34 cites·7 claims
- 0768US5082053AArrangement for cleaning contaminated ground waterIEG IND ENGINEERING GMBH·Filed 1990·Granted Jan 21, 1992·27 cites·12 claims
- 0866US5220958AArrangement for driving out of volatile impurities from ground waterIEG IND ENGINEERING GMBH·Filed 1991·Granted Jun 22, 1993·42 cites·7 claims
- 0965US5380126AMethod of and arrangement for rinsing out impurities from groundIEG IND ENGINEERING GMBH·Filed 1993·Granted Jan 10, 1995·24 cites·13 claims
- 1065US5071550AAppartus for cleaning and aeration of open bodies of waterIEG IND ENGINEERING GMBH·Filed 1990·Granted Dec 10, 1991·28 cites·11 claims
- 1163US4950394AArrangement for driving out volatile impurities from ground waterIEG IND ENGINEERING GMBH·Filed 1989·Granted Aug 21, 1990·36 cites·24 claims
- 1262US5171104AArrangement for treating gas from contaminated ground regionIEG IND ENGINEERING GMBH·Filed 1991·Granted Dec 15, 1992·21 cites·24 claims
- 1360US5281333AArrangement for cleaning ground waterIEG IND ENGINEERING GMBH·Filed 1993·Granted Jan 25, 1994·26 cites·24 claims
- 1460US5095975AArrangement for driving volatile impurities from ground waterIEG IND ENGINEERING GMBH·Filed 1990·Granted Mar 17, 1992·34 cites·15 claims
- 1557US5348420AMethod and arrangement for influencing liquid in groundIEG IND ENGINEERING GMBH·Filed 1992·Granted Sep 20, 1994·23 cites·25 claims
- 1654US4892688AArrangement for expelling light volatile contaminants from liquidsIEG IND ENGINEERING GMBH·Filed 1988·Granted Jan 9, 1990·16 cites·2 claims
- 1753US5147535AArrangement for driving out of volatile impurities from ground water using vibrationsIEG IND ENGINEERING GMBH·Filed 1990·Granted Sep 15, 1992·26 cites·6 claims
- 1851US5375478ATest sample taking arrangementIEG IND ENGINEERING GMBH·Filed 1992·Granted Dec 27, 1994·15 cites·14 claims
- 1945US5468097AMethod of circulating ground water in ground regions with a fall of ground water levelIEG IND ENGINEERING GMBH·Filed 1993·Granted Nov 21, 1995·18 cites·10 claims
- 2044US5435914AClarifying arrangement for waste waterIEG IND ENGINEERING GMBH·Filed 1993·Granted Jul 25, 1995·9 cites·14 claims
- 2144US5345820AMethod of and arrangement for determining geohydraulic permeability of ground regions through which ground water flowsIEG IND ENGINEERING GMBH·Filed 1993·Granted Sep 13, 1994·17 cites·18 claims
- 2241US5346330AMethod of yielding oil residues or oil containing liquids from contaminated ground layersIEG IND ENGINEERING GMBH·Filed 1993·Granted Sep 13, 1994·14 cites·10 claims
- 2336US5322128AMethod of forming well regionsIEG IND ENGINEERING GMBH·Filed 1993·Granted Jun 21, 1994·10 cites·7 claims
- 2432US5345655AMethod of and arrangement for obtaining liquids and/or gases from ground or rock layersIEG IND ENGINEERING GMBH·Filed 1993·Granted Sep 13, 1994·6 cites·28 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →