
Jay C. Chang
Examiner (ID: 17046, Phone: (571)272-6132 , Office: P/2895 )
| Most Active Art Unit | 2895 |
| Art Unit(s) | 2895, 2817 |
| Total Applications | 698 |
| Issued Applications | 528 |
| Pending Applications | 84 |
| Abandoned Applications | 100 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 1023400
[patent_doc_number] => 06884052
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2005-04-26
[patent_title] => 'Airway airtight structure of pneumatic tool'
[patent_app_type] => utility
[patent_app_number] => 10/717585
[patent_app_country] => US
[patent_app_date] => 2003-11-21
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/06/884/06884052.pdf
[firstpage_image] =>[orig_patent_app_number] => 10717585
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/717585 | Airway airtight structure of pneumatic tool | Nov 20, 2003 | Issued |
Array
(
[id] => 7393066
[patent_doc_number] => 20040103654
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-06-03
[patent_title] => 'Regeneration of diesel particulate filter'
[patent_app_type] => new
[patent_app_number] => 10/694011
[patent_app_country] => US
[patent_app_date] => 2003-10-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 13
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[pdf_file] => publications/A1/0103/20040103654.pdf
[firstpage_image] =>[orig_patent_app_number] => 10694011
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/694011 | Regeneration of diesel particulate filter | Oct 27, 2003 | Issued |
Array
(
[id] => 780583
[patent_doc_number] => 06990806
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2006-01-31
[patent_title] => 'Exhaust header for internal combustion engine'
[patent_app_type] => utility
[patent_app_number] => 10/653490
[patent_app_country] => US
[patent_app_date] => 2003-09-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
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[pdf_file] => patents/06/990/06990806.pdf
[firstpage_image] =>[orig_patent_app_number] => 10653490
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/653490 | Exhaust header for internal combustion engine | Sep 1, 2003 | Issued |
Array
(
[id] => 7350949
[patent_doc_number] => 20040089254
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-05-13
[patent_title] => 'Cam contacting devices'
[patent_app_type] => new
[patent_app_number] => 10/297903
[patent_app_country] => US
[patent_app_date] => 2003-07-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 7
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[patent_no_of_words] => 5139
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[pdf_file] => publications/A1/0089/20040089254.pdf
[firstpage_image] =>[orig_patent_app_number] => 10297903
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/297903 | Cam contacting devices | Jul 6, 2003 | Abandoned |
Array
(
[id] => 7354906
[patent_doc_number] => 20040003786
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-01-08
[patent_title] => 'Piezoelectric valve actuation'
[patent_app_type] => new
[patent_app_number] => 10/462194
[patent_app_country] => US
[patent_app_date] => 2003-06-16
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[firstpage_image] =>[orig_patent_app_number] => 10462194
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/462194 | Piezoelectric valve actuation | Jun 15, 2003 | Abandoned |
Array
(
[id] => 6767293
[patent_doc_number] => 20030213233
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-11-20
[patent_title] => 'Air-fuel ratio control system and method for internal combustion engines'
[patent_app_type] => new
[patent_app_number] => 10/435053
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[firstpage_image] =>[orig_patent_app_number] => 10435053
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/435053 | Air-fuel ratio control system and method for internal combustion engines | May 11, 2003 | Issued |
Array
(
[id] => 7380622
[patent_doc_number] => 20040020207
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-02-05
[patent_title] => 'Method and apparatus for combined steam boiler/combuster and gasifier'
[patent_app_type] => new
[patent_app_number] => 10/430030
[patent_app_country] => US
[patent_app_date] => 2003-05-05
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[patent_drawing_sheets_cnt] => 4
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[patent_current_assignee] =>[type] => publication
[pdf_file] => publications/A1/0020/20040020207.pdf
[firstpage_image] =>[orig_patent_app_number] => 10430030
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/430030 | Method and apparatus for combined steam boiler/combuster and gasifier | May 4, 2003 | Abandoned |
Array
(
[id] => 7358682
[patent_doc_number] => 20040216449
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2004-11-04
[patent_title] => 'Method for reducing engine exhaust emissions'
[patent_app_type] => new
[patent_app_number] => 10/426421
[patent_app_country] => US
[patent_app_date] => 2003-04-30
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[patent_drawing_sheets_cnt] => 6
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[pdf_file] => publications/A1/0216/20040216449.pdf
[firstpage_image] =>[orig_patent_app_number] => 10426421
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/426421 | Method for reducing engine exhaust emissions | Apr 29, 2003 | Issued |
Array
(
[id] => 6661420
[patent_doc_number] => 20030200746
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2003-10-30
[patent_title] => 'Exhaust gas purification system having particulate filter'
[patent_app_type] => new
[patent_app_number] => 10/420867
[patent_app_country] => US
[patent_app_date] => 2003-04-23
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[pdf_file] => publications/A1/0200/20030200746.pdf
[firstpage_image] =>[orig_patent_app_number] => 10420867
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/420867 | Exhaust gas purification system having particulate filter | Apr 22, 2003 | Issued |
Array
(
[id] => 1156565
[patent_doc_number] => 06751950
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2004-06-22
[patent_title] => 'Emission control apparatus for engine'
[patent_app_type] => B2
[patent_app_number] => 10/372264
[patent_app_country] => US
[patent_app_date] => 2003-02-25
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/06/751/06751950.pdf
[firstpage_image] =>[orig_patent_app_number] => 10372264
[rel_patent_id] =>[rel_patent_doc_number] =>) 10/372264 | Emission control apparatus for engine | Feb 24, 2003 | Issued |
Array
(
[id] => 6881307
[patent_doc_number] => 20010047779
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2001-12-06
[patent_title] => 'Electromagnetic actuator for operating a cylinder valve of an internal-combustion engine'
[patent_app_type] => new
[patent_app_number] => 09/834902
[patent_app_country] => US
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[pdf_file] => publications/A1/0047/20010047779.pdf
[firstpage_image] =>[orig_patent_app_number] => 09834902
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/834902 | Electromagnetic actuator for operating a cylinder valve of an internal combustion engine | Apr 15, 2001 | Issued |
Array
(
[id] => 6514789
[patent_doc_number] => 20020108591
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[patent_kind] => A1
[patent_issue_date] => 2002-08-15
[patent_title] => 'Variable engine valve control system'
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[firstpage_image] =>[orig_patent_app_number] => 09742200
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/742200 | Variable engine valve control system | Dec 19, 2000 | Issued |
Array
(
[id] => 1284854
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[patent_title] => 'Exhaust emission control system for internal combustion engine'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/685571 | Exhaust emission control system for internal combustion engine | Oct 10, 2000 | Issued |
Array
(
[id] => 4398438
[patent_doc_number] => 06309199
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 2001-10-30
[patent_title] => 'Assemblies for modular fluid pump'
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[patent_app_number] => 9/584024
[patent_app_country] => US
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[pdf_file] => patents/06/309/06309199.pdf
[firstpage_image] =>[orig_patent_app_number] => 584024
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/584024 | Assemblies for modular fluid pump | May 29, 2000 | Issued |
| 09/420035 | ROCKER ARM DEVICE FOR SIMULTANEOUS CONTROL OF VALVE LIFT AND RELATIVE TIMING IN A COMBUSTION ENGINE | Oct 17, 1999 | Abandoned |
Array
(
[id] => 1510127
[patent_doc_number] => RE037791
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[patent_title] => 'Disk driving motor and chucking mechanism for disk drive apparatus'
[patent_app_type] => E1
[patent_app_number] => 09/201429
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[pdf_file] => patents/RE/037/RE037791.pdf
[firstpage_image] =>[orig_patent_app_number] => 09201429
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/201429 | Disk driving motor and chucking mechanism for disk drive apparatus | Nov 29, 1998 | Issued |
Array
(
[id] => 4162115
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[patent_title] => 'System and method for monitoring a catalytic converter using adaptable indicator threshold'
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[patent_app_number] => 9/174179
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/174179 | System and method for monitoring a catalytic converter using adaptable indicator threshold | Oct 15, 1998 | Issued |
Array
(
[id] => 4069276
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[patent_title] => 'Transmission'
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[firstpage_image] =>[orig_patent_app_number] => 160359
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/160359 | Transmission | Sep 24, 1998 | Issued |
Array
(
[id] => 4096922
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[patent_title] => 'Cooling circuits for trailing edge cavities in airfoils'
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[rel_patent_id] =>[rel_patent_doc_number] =>) 09/132602 | Cooling circuits for trailing edge cavities in airfoils | Aug 10, 1998 | Issued |
Array
(
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[patent_issue_date] => 1999-10-26
[patent_title] => 'Automatic control method for corona discharge pollutant destruction'
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[firstpage_image] =>[orig_patent_app_number] => 119895
[rel_patent_id] =>[rel_patent_doc_number] =>) 09/119895 | Automatic control method for corona discharge pollutant destruction | Jul 20, 1998 | Issued |