Search

Ching Chang

Examiner (ID: 13382, Phone: (571)272-4857 , Office: P/3748 )

Most Active Art Unit
3748
Art Unit(s)
3748, 3746
Total Applications
1871
Issued Applications
1700
Pending Applications
11
Abandoned Applications
170

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 6453802 [patent_doc_number] => 20020020376 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-21 [patent_title] => 'Device for relative angular adjustment between two drive-connected elements rotating at the same rotational speed' [patent_app_type] => new [patent_app_number] => 09/912979 [patent_app_country] => US [patent_app_date] => 2001-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2166 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0020/20020020376.pdf [firstpage_image] =>[orig_patent_app_number] => 09912979 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/912979
Device for relative angular adjustment between two drive-connected elements rotating at the same rotational speed Jul 24, 2001 Issued
Array ( [id] => 970270 [patent_doc_number] => 06935286 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2005-08-30 [patent_title] => 'Connection between a stem end on a gas exchange valve in an internal combustion engine and a sleeve-like actuator body of a valve actuator' [patent_app_type] => utility [patent_app_number] => 10/110619 [patent_app_country] => US [patent_app_date] => 2001-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2178 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 292 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/935/06935286.pdf [firstpage_image] =>[orig_patent_app_number] => 10110619 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/110619
Connection between a stem end on a gas exchange valve in an internal combustion engine and a sleeve-like actuator body of a valve actuator Jul 19, 2001 Issued
Array ( [id] => 1513940 [patent_doc_number] => 06499454 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-12-31 [patent_title] => 'Variable-valve-actuation apparatus for internal combustion engine' [patent_app_type] => B2 [patent_app_number] => 09/908924 [patent_app_country] => US [patent_app_date] => 2001-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4674 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/499/06499454.pdf [firstpage_image] =>[orig_patent_app_number] => 09908924 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/908924
Variable-valve-actuation apparatus for internal combustion engine Jul 19, 2001 Issued
Array ( [id] => 6027434 [patent_doc_number] => 20020017254 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-14 [patent_title] => 'Device for actuating a gas exchange valve' [patent_app_type] => new [patent_app_number] => 09/902338 [patent_app_country] => US [patent_app_date] => 2001-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5716 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0017/20020017254.pdf [firstpage_image] =>[orig_patent_app_number] => 09902338 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/902338
Device for actuating a gas exchange valve Jul 9, 2001 Issued
Array ( [id] => 6027431 [patent_doc_number] => 20020017252 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-14 [patent_title] => 'Valve control for outboard motor engine' [patent_app_type] => new [patent_app_number] => 09/899519 [patent_app_country] => US [patent_app_date] => 2001-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8161 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0017/20020017252.pdf [firstpage_image] =>[orig_patent_app_number] => 09899519 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/899519
Valve control for outboard motor engine Jul 2, 2001 Issued
Array ( [id] => 6617104 [patent_doc_number] => 20030101950 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2003-06-05 [patent_title] => 'Exhaust valve and intake system' [patent_app_type] => new [patent_app_number] => 10/182378 [patent_app_country] => US [patent_app_date] => 2002-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 12774 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0101/20030101950.pdf [firstpage_image] =>[orig_patent_app_number] => 10182378 [rel_patent_id] =>[rel_patent_doc_number] =>)
10/182378
Exhaust valve and intake system Jun 27, 2001 Issued
Array ( [id] => 1437343 [patent_doc_number] => 06494173 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-12-17 [patent_title] => 'Valve timing control system for internal combustion engine' [patent_app_type] => B2 [patent_app_number] => 09/888378 [patent_app_country] => US [patent_app_date] => 2001-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 14 [patent_no_of_words] => 11423 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 357 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/494/06494173.pdf [firstpage_image] =>[orig_patent_app_number] => 09888378 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/888378
Valve timing control system for internal combustion engine Jun 25, 2001 Issued
Array ( [id] => 1495786 [patent_doc_number] => 06484676 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-11-26 [patent_title] => 'Apparatus and method for controlling variable valve timing of internal combustion engine' [patent_app_type] => B2 [patent_app_number] => 09/887125 [patent_app_country] => US [patent_app_date] => 2001-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2753 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/484/06484676.pdf [firstpage_image] =>[orig_patent_app_number] => 09887125 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/887125
Apparatus and method for controlling variable valve timing of internal combustion engine Jun 24, 2001 Issued
Array ( [id] => 6011308 [patent_doc_number] => 20020100440 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-01 [patent_title] => 'Valve timing control apparatus for internal combustion engine' [patent_app_type] => new [patent_app_number] => 09/887171 [patent_app_country] => US [patent_app_date] => 2001-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 12533 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0100/20020100440.pdf [firstpage_image] =>[orig_patent_app_number] => 09887171 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/887171
Valve timing control apparatus for internal combustion engine Jun 24, 2001 Issued
Array ( [id] => 1455209 [patent_doc_number] => 06425359 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-07-30 [patent_title] => 'Valve moving apparatus of an internal combustion engine' [patent_app_type] => B2 [patent_app_number] => 09/887812 [patent_app_country] => US [patent_app_date] => 2001-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 40 [patent_no_of_words] => 27478 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/425/06425359.pdf [firstpage_image] =>[orig_patent_app_number] => 09887812 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/887812
Valve moving apparatus of an internal combustion engine Jun 21, 2001 Issued
Array ( [id] => 1554410 [patent_doc_number] => 06435154 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-08-20 [patent_title] => 'VCT controls integrated into front cover of engine' [patent_app_type] => B1 [patent_app_number] => 09/886736 [patent_app_country] => US [patent_app_date] => 2001-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1682 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/435/06435154.pdf [firstpage_image] =>[orig_patent_app_number] => 09886736 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/886736
VCT controls integrated into front cover of engine Jun 20, 2001 Issued
Array ( [id] => 1567119 [patent_doc_number] => 06497208 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2002-12-24 [patent_title] => 'Variable valve control apparatus for an internal combustion engine' [patent_app_type] => B2 [patent_app_number] => 09/884075 [patent_app_country] => US [patent_app_date] => 2001-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 5192 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/497/06497208.pdf [firstpage_image] =>[orig_patent_app_number] => 09884075 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/884075
Variable valve control apparatus for an internal combustion engine Jun 19, 2001 Issued
Array ( [id] => 6997855 [patent_doc_number] => 20010052331 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-12-20 [patent_title] => 'Valve timing and lift control system' [patent_app_type] => new [patent_app_number] => 09/880838 [patent_app_country] => US [patent_app_date] => 2001-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7903 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0052/20010052331.pdf [firstpage_image] =>[orig_patent_app_number] => 09880838 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/880838
Valve timing and lift control system Jun 14, 2001 Issued
Array ( [id] => 6027437 [patent_doc_number] => 20020017255 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-14 [patent_title] => 'Variable valve timing system' [patent_app_type] => new [patent_app_number] => 09/879961 [patent_app_country] => US [patent_app_date] => 2001-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6854 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0017/20020017255.pdf [firstpage_image] =>[orig_patent_app_number] => 09879961 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/879961
Variable valve timing system Jun 13, 2001 Issued
Array ( [id] => 6561257 [patent_doc_number] => 20020014213 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-02-07 [patent_title] => 'Engine valve drive control apparatus and method' [patent_app_type] => new [patent_app_number] => 09/879229 [patent_app_country] => US [patent_app_date] => 2001-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 14466 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0014/20020014213.pdf [firstpage_image] =>[orig_patent_app_number] => 09879229 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/879229
Engine valve drive control apparatus and method Jun 12, 2001 Issued
Array ( [id] => 7011975 [patent_doc_number] => 20010050067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-12-13 [patent_title] => 'Variable valve timing control device for internal combustion engine' [patent_app_type] => new [patent_app_number] => 09/876041 [patent_app_country] => US [patent_app_date] => 2001-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 5953 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0050/20010050067.pdf [firstpage_image] =>[orig_patent_app_number] => 09876041 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/876041
Variable valve timing control device for internal combustion engine Jun 7, 2001 Issued
Array ( [id] => 7011972 [patent_doc_number] => 20010050066 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-12-13 [patent_title] => 'Variable valve operating system of internal combustion engine enabling variation of working angle and phase' [patent_app_type] => new [patent_app_number] => 09/874052 [patent_app_country] => US [patent_app_date] => 2001-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 13125 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0050/20010050066.pdf [firstpage_image] =>[orig_patent_app_number] => 09874052 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/874052
Variable valve operating system of internal combustion engine enabling variation of working angle and phase Jun 5, 2001 Issued
Array ( [id] => 6514802 [patent_doc_number] => 20020108592 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2002-08-15 [patent_title] => 'Variable valve timing device of internal combustion engine' [patent_app_type] => new [patent_app_number] => 09/873399 [patent_app_country] => US [patent_app_date] => 2001-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7017 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0108/20020108592.pdf [firstpage_image] =>[orig_patent_app_number] => 09873399 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/873399
Variable valve timing device of internal combustion engine Jun 4, 2001 Issued
Array ( [id] => 6881310 [patent_doc_number] => 20010047782 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-12-06 [patent_title] => 'Engine valve assembly for internal combustion engine' [patent_app_type] => new [patent_app_number] => 09/864303 [patent_app_country] => US [patent_app_date] => 2001-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4802 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0047/20010047782.pdf [firstpage_image] =>[orig_patent_app_number] => 09864303 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/864303
Engine valve assembly for internal combustion engine May 24, 2001 Issued
Array ( [id] => 6881308 [patent_doc_number] => 20010047780 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2001-12-06 [patent_title] => 'Apparatus and method for controlling electromagnetically operable engine valve assembly' [patent_app_type] => new [patent_app_number] => 09/862441 [patent_app_country] => US [patent_app_date] => 2001-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6340 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0047/20010047780.pdf [firstpage_image] =>[orig_patent_app_number] => 09862441 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/862441
Apparatus and method for controlling electromagnetically operable engine valve assembly May 22, 2001 Issued
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