| Application number | Title of the application | Filing Date | Status |
|---|
Array
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[patent_issue_date] => 1993-03-16
[patent_title] => 'Exhaust gas purifying system for internal combustion engine'
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[patent_app_date] => 1991-04-25
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Array
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[patent_doc_number] => 05184464
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1993-02-09
[patent_title] => 'Noise and emmission control apparatus'
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[patent_app_number] => 7/688674
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[patent_app_date] => 1991-04-22
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[rel_patent_id] =>[rel_patent_doc_number] =>) 07/688674 | Noise and emmission control apparatus | Apr 21, 1991 | Issued |
| 07/684077 | METHOD FOR DETECTING DETERIORATION OF CATALYST AND MEASURING CONVERSION EFFICIENCY THEREOF WITH AN AIR/FUEL RATIO SENSOR | Apr 11, 1991 | Abandoned |
| 07/684419 | POLLUTION CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINES | Apr 11, 1991 | Abandoned |
Array
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[patent_doc_number] => 05157921
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-10-27
[patent_title] => 'Method for measuring conversion efficiency of catalyst and detecting deterioration thereof with air/fuel ratio sensors'
[patent_app_type] => 1
[patent_app_number] => 7/683633
[patent_app_country] => US
[patent_app_date] => 1991-04-11
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Array
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[patent_doc_number] => 05119631
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1992-06-09
[patent_title] => 'Apparatus and method for detecting abnormalities in a secondary air supplier'
[patent_app_type] => 1
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[patent_app_date] => 1991-04-09
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Array
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[patent_kind] => NA
[patent_issue_date] => 1992-12-15
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Array
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[patent_kind] => NA
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[patent_kind] => NA
[patent_issue_date] => 1992-08-18
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Array
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[id] => 2768836
[patent_doc_number] => 05134847
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[patent_issue_date] => 1992-08-04
[patent_title] => 'Double air-fuel ratio sensor system in internal combustion engine'
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[patent_app_date] => 1991-03-29
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[rel_patent_id] =>[rel_patent_doc_number] =>) 07/677468 | Double air-fuel ratio sensor system in internal combustion engine | Mar 28, 1991 | Issued |
Array
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[patent_issue_date] => 1992-12-08
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[patent_app_type] => 1
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Array
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[id] => 2783898
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[patent_kind] => NA
[patent_issue_date] => 1992-09-15
[patent_title] => 'Electrically heatable catalytic converter insert'
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Array
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[patent_issue_date] => 1993-06-22
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Array
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