Patent DE4331509C1 successfully refreshed from Google Patents.
DE4331509C1
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DE
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Device for reducing pollutants when operating multi-cylinder internal combustion engines
Assignee: Rolls Royce Solutions GmbH
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Filing: 1993-09-16
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Granted: 1994-07-21
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Expires: 2013-09-16
Abstract
No abstract record available.
Inventors
- 👤 Bernhard Baechle
- 👤 Hans Sudmanns
- 👤 Ralph-Michael Dr Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 21:27
CPC Classifications
F; F02; F02B; F02B47/00; F02B47/04; F02B47/08; F01; F01N; F01N3/00; F01N3/02; F01N3/021; F02B37/00; F02M; F02M26/00; F02M26/13; F02M26/22; F02M26/23; F02M26/42; F02M26/43; F01N2340/00; F01N2340/06; F02B3/00; F02B3/06; F02M26/02; F02M26/04; F02M26/05; F02M26/28; F02M26/35; F02M26/36; F02M26/65; F02M26/71; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE2454829A1
Cited
DE3930243A1
Cited
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