Search

Ching Chang

Examiner (ID: 13656, 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] => 12981856 [patent_doc_number] => 20170342866 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-30 [patent_title] => Rocker Motion-Powered Generators For Rocker-Mounted Electronic Devices [patent_app_type] => utility [patent_app_number] => 15/532267 [patent_app_country] => US [patent_app_date] => 2015-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9878 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15532267 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/532267
Rocker Motion-Powered Generators For Rocker-Mounted Electronic Devices Nov 23, 2015 Abandoned
Array ( [id] => 11350925 [patent_doc_number] => 20160369665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-22 [patent_title] => 'CONTINUOUS VARIABLE VALVE DURATION APPARATUS AND ENGINE PROVIDED WITH THE SAME' [patent_app_type] => utility [patent_app_number] => 14/948294 [patent_app_country] => US [patent_app_date] => 2015-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3880 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14948294 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/948294
Continuous variable valve duration apparatus and engine provided with the same Nov 20, 2015 Issued
Array ( [id] => 11350925 [patent_doc_number] => 20160369665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-22 [patent_title] => 'CONTINUOUS VARIABLE VALVE DURATION APPARATUS AND ENGINE PROVIDED WITH THE SAME' [patent_app_type] => utility [patent_app_number] => 14/948294 [patent_app_country] => US [patent_app_date] => 2015-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3880 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14948294 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/948294
Continuous variable valve duration apparatus and engine provided with the same Nov 20, 2015 Issued
Array ( [id] => 11350925 [patent_doc_number] => 20160369665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-22 [patent_title] => 'CONTINUOUS VARIABLE VALVE DURATION APPARATUS AND ENGINE PROVIDED WITH THE SAME' [patent_app_type] => utility [patent_app_number] => 14/948294 [patent_app_country] => US [patent_app_date] => 2015-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3880 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14948294 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/948294
Continuous variable valve duration apparatus and engine provided with the same Nov 20, 2015 Issued
Array ( [id] => 11350925 [patent_doc_number] => 20160369665 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-22 [patent_title] => 'CONTINUOUS VARIABLE VALVE DURATION APPARATUS AND ENGINE PROVIDED WITH THE SAME' [patent_app_type] => utility [patent_app_number] => 14/948294 [patent_app_country] => US [patent_app_date] => 2015-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 3880 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14948294 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/948294
Continuous variable valve duration apparatus and engine provided with the same Nov 20, 2015 Issued
Array ( [id] => 13676417 [patent_doc_number] => 20160376942 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-29 [patent_title] => APPARATUS FOR OPENING AND CLOSING CHANNEL [patent_app_type] => utility [patent_app_number] => 14/947429 [patent_app_country] => US [patent_app_date] => 2015-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1911 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14947429 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/947429
Apparatus for opening and closing channel Nov 19, 2015 Issued
Array ( [id] => 10807163 [patent_doc_number] => 20160153321 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-02 [patent_title] => 'MECHANICAL SYSTEM FORMING A CAM FOLLOWER OR A ROCKER ARM, INJECTION PUMP OR VALVE ACTUATOR COMPRISING SUCH A MECHANICAL SYSTEM AND METHOD FOR MANUFACTURING SUCH A MECHANICAL SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/945631 [patent_app_country] => US [patent_app_date] => 2015-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3075 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14945631 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/945631
Mechanical system forming a cam follower or a rocker arm, injection pump or valve actuator comprising such a mechanical system and method for manufacturing such a mechanical system Nov 18, 2015 Issued
Array ( [id] => 11383556 [patent_doc_number] => 20170009612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-01-12 [patent_title] => 'CONTINUOUS VARIABLE VALVE TIMING APPARATUS AND ENGINE PROVIDED WITH THE SAME' [patent_app_type] => utility [patent_app_number] => 14/942250 [patent_app_country] => US [patent_app_date] => 2015-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4175 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14942250 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/942250
Continuous variable valve timing apparatus and engine provided with the same Nov 15, 2015 Issued
Array ( [id] => 13648961 [patent_doc_number] => 09850789 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-12-26 [patent_title] => Continuous variable valve duration apparatus and engine provided with the same [patent_app_type] => utility [patent_app_number] => 14/942671 [patent_app_country] => US [patent_app_date] => 2015-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4245 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14942671 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/942671
Continuous variable valve duration apparatus and engine provided with the same Nov 15, 2015 Issued
Array ( [id] => 10807162 [patent_doc_number] => 20160153320 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-02 [patent_title] => 'VALVE-ACTUATING LEVER FOR RECIPROCATING-PISTON INTERNAL COMBUSTION ENGINES' [patent_app_type] => utility [patent_app_number] => 14/940673 [patent_app_country] => US [patent_app_date] => 2015-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 904 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14940673 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/940673
Valve-actuating lever for reciprocating-piston internal combustion engines Nov 12, 2015 Issued
Array ( [id] => 10814545 [patent_doc_number] => 20160160705 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-09 [patent_title] => 'CONTINUOUS VARIABLE VALVE DURATION APPARATUS AND ENGINE PROVIDED WITH THE SAME' [patent_app_type] => utility [patent_app_number] => 14/941204 [patent_app_country] => US [patent_app_date] => 2015-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3875 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14941204 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/941204
Continuous variable valve duration apparatus and engine provided with the same Nov 12, 2015 Issued
Array ( [id] => 10814538 [patent_doc_number] => 20160160698 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-09 [patent_title] => 'CONTINUOUS VARIABLE VALVE TIMING APPARATUS AND ENGINE PROVIDED WITH THE SAME' [patent_app_type] => utility [patent_app_number] => 14/940482 [patent_app_country] => US [patent_app_date] => 2015-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3545 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14940482 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/940482
Continuous variable valve timing apparatus and engine provided with the same Nov 12, 2015 Issued
Array ( [id] => 12093191 [patent_doc_number] => 20170350284 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-12-07 [patent_title] => 'VALVE GEAR FOR ENGINE' [patent_app_type] => utility [patent_app_number] => 15/536737 [patent_app_country] => US [patent_app_date] => 2015-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 11976 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15536737 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/536737
VALVE GEAR FOR ENGINE Nov 12, 2015 Abandoned
Array ( [id] => 11923251 [patent_doc_number] => 09790823 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-17 [patent_title] => 'Switching rocker arm' [patent_app_type] => utility [patent_app_number] => 14/938411 [patent_app_country] => US [patent_app_date] => 2015-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 24 [patent_no_of_words] => 6691 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14938411 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/938411
Switching rocker arm Nov 10, 2015 Issued
Array ( [id] => 13676423 [patent_doc_number] => 20160376945 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-29 [patent_title] => CVVT SYSTEM [patent_app_type] => utility [patent_app_number] => 14/937426 [patent_app_country] => US [patent_app_date] => 2015-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2839 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14937426 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/937426
CVVT system Nov 9, 2015 Issued
Array ( [id] => 13676409 [patent_doc_number] => 20160376938 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-29 [patent_title] => INTERMEDIATE PHASE ADJUSTMENT APPARATUS OF CVVT [patent_app_type] => utility [patent_app_number] => 14/935007 [patent_app_country] => US [patent_app_date] => 2015-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2854 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14935007 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/935007
INTERMEDIATE PHASE ADJUSTMENT APPARATUS OF CVVT Nov 5, 2015 Abandoned
Array ( [id] => 10784834 [patent_doc_number] => 20160130990 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-12 [patent_title] => 'CAMSHAFT FOR AN INTERNAL COMBUSTION ENGINE AND USE THEREFORE' [patent_app_type] => utility [patent_app_number] => 14/932442 [patent_app_country] => US [patent_app_date] => 2015-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 1290 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14932442 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/932442
Camshaft for an internal combustion engine and use therefore Nov 3, 2015 Issued
Array ( [id] => 11364716 [patent_doc_number] => 20170002697 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-01-05 [patent_title] => 'VALVE OPENING AND CLOSING APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/928693 [patent_app_country] => US [patent_app_date] => 2015-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4480 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14928693 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/928693
Valve opening and closing apparatus Oct 29, 2015 Issued
Array ( [id] => 12024396 [patent_doc_number] => 20170314495 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-02 [patent_title] => 'CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE' [patent_app_type] => utility [patent_app_number] => 15/523427 [patent_app_country] => US [patent_app_date] => 2015-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 13287 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15523427 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/523427
CONTROL DEVICE FOR INTERNAL COMBUSTION ENGINE Oct 27, 2015 Abandoned
Array ( [id] => 14486397 [patent_doc_number] => 10329969 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-06-25 [patent_title] => System and method of adjusting actuation timing of valves in a piston engine [patent_app_type] => utility [patent_app_number] => 15/522529 [patent_app_country] => US [patent_app_date] => 2015-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3702 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15522529 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/522529
System and method of adjusting actuation timing of valves in a piston engine Oct 22, 2015 Issued
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