Search

Kenneth W. Chang

Examiner (ID: 16000, Phone: (571)270-7530 , Office: P/2438 )

Most Active Art Unit
2438
Art Unit(s)
2438
Total Applications
759
Issued Applications
630
Pending Applications
50
Abandoned Applications
103

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17145082 [patent_doc_number] => 20210313095 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => COMPOSITE BODY [patent_app_type] => utility [patent_app_number] => 17/265700 [patent_app_country] => US [patent_app_date] => 2019-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3844 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17265700 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/265700
COMPOSITE BODY Aug 5, 2019 Abandoned
Array ( [id] => 17016165 [patent_doc_number] => 11085798 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-10 [patent_title] => System and method for monitoring fault conditions in a pan line of a longwall mining system [patent_app_type] => utility [patent_app_number] => 16/521175 [patent_app_country] => US [patent_app_date] => 2019-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3242 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16521175 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/521175
System and method for monitoring fault conditions in a pan line of a longwall mining system Jul 23, 2019 Issued
Array ( [id] => 17831810 [patent_doc_number] => 20220269114 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => Plasmonic Waveguide [patent_app_type] => utility [patent_app_number] => 17/628494 [patent_app_country] => US [patent_app_date] => 2019-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4878 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17628494 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/628494
Plasmonic waveguide Jul 23, 2019 Issued
Array ( [id] => 15366301 [patent_doc_number] => 20200018915 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-16 [patent_title] => BLADED CHASSIS SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/518464 [patent_app_country] => US [patent_app_date] => 2019-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17841 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16518464 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/518464
Bladed chassis systems Jul 21, 2019 Issued
Array ( [id] => 15296431 [patent_doc_number] => 20190391351 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-26 [patent_title] => SPLITTER MODULE AND ENCLOSURE FOR USE THEREIN [patent_app_type] => utility [patent_app_number] => 16/515296 [patent_app_country] => US [patent_app_date] => 2019-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8265 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16515296 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/515296
Splitter module and enclosure for use therein Jul 17, 2019 Issued
Array ( [id] => 15089297 [patent_doc_number] => 20190339459 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-07 [patent_title] => DUAL KEY POLARITY CHANGEABLE CONNECTOR [patent_app_type] => utility [patent_app_number] => 16/513006 [patent_app_country] => US [patent_app_date] => 2019-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5058 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16513006 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/513006
Dual key polarity changeable connector Jul 15, 2019 Issued
Array ( [id] => 17891794 [patent_doc_number] => 11454757 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-27 [patent_title] => Multi-core fiber connector [patent_app_type] => utility [patent_app_number] => 17/260401 [patent_app_country] => US [patent_app_date] => 2019-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 33 [patent_no_of_words] => 6305 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17260401 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/260401
Multi-core fiber connector Jul 10, 2019 Issued
Array ( [id] => 19152372 [patent_doc_number] => 11977282 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-07 [patent_title] => Optical modulator [patent_app_type] => utility [patent_app_number] => 17/619679 [patent_app_country] => US [patent_app_date] => 2019-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 2748 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17619679 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/619679
Optical modulator Jul 1, 2019 Issued
Array ( [id] => 15457827 [patent_doc_number] => 20200041738 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-06 [patent_title] => ELECTROMAGNETIC INTERFERENCE LEAKAGE REDUCTION FOR A PLUGGABLE OPTICAL MODULE [patent_app_type] => utility [patent_app_number] => 16/450762 [patent_app_country] => US [patent_app_date] => 2019-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4005 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16450762 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/450762
Electromagnetic interference leakage reduction for a pluggable optical module Jun 23, 2019 Issued
Array ( [id] => 17068804 [patent_doc_number] => 20210271019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => BRAGG GRATING OPTICAL FIBER SENSOR ASSOCIATED WITH A SCATTERING STRUCTURE AND METHODS FOR LOCATING AND INSTALLING SUCH A SENSOR [patent_app_type] => utility [patent_app_number] => 17/253983 [patent_app_country] => US [patent_app_date] => 2019-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4612 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17253983 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/253983
Bragg grating optical fiber sensor associated with a scattering structure and methods for locating and installing such a sensor Jun 18, 2019 Issued
Array ( [id] => 14964195 [patent_doc_number] => 20190309576 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-10 [patent_title] => Visible Diode Laser Systems, Apparatus and Methods of Use [patent_app_type] => utility [patent_app_number] => 16/442773 [patent_app_country] => US [patent_app_date] => 2019-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17924 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [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] => 16442773 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/442773
Visible Diode Laser Systems, Apparatus and Methods of Use Jun 16, 2019 Abandoned
Array ( [id] => 17751027 [patent_doc_number] => 20220229232 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => Optical Circuit [patent_app_type] => utility [patent_app_number] => 17/615688 [patent_app_country] => US [patent_app_date] => 2019-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5261 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17615688 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/615688
Optical circuit Jun 3, 2019 Issued
Array ( [id] => 17751025 [patent_doc_number] => 20220229230 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => Optical Multiplexing Circuit and Light Source [patent_app_type] => utility [patent_app_number] => 17/614676 [patent_app_country] => US [patent_app_date] => 2019-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4559 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17614676 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/614676
Optical multiplexing circuit and light source May 29, 2019 Issued
Array ( [id] => 16964380 [patent_doc_number] => 20210215879 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-15 [patent_title] => Connection Structure for Optical Waveguide Chip [patent_app_type] => utility [patent_app_number] => 17/253063 [patent_app_country] => US [patent_app_date] => 2019-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12340 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17253063 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/253063
Connection structure for optical waveguide chip May 23, 2019 Issued
Array ( [id] => 17751112 [patent_doc_number] => 20220229317 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => Optical Inspection Circuit and Optical Inspection Method [patent_app_type] => utility [patent_app_number] => 17/609092 [patent_app_country] => US [patent_app_date] => 2019-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3419 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17609092 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/609092
Optical inspection circuit and optical inspection method May 22, 2019 Issued
Array ( [id] => 16993451 [patent_doc_number] => 20210231871 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => Optical Module [patent_app_type] => utility [patent_app_number] => 15/734873 [patent_app_country] => US [patent_app_date] => 2019-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3255 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 15734873 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/734873
Optical module May 16, 2019 Issued
Array ( [id] => 14718521 [patent_doc_number] => 20190250324 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-15 [patent_title] => LUMINAIRES UTILIZING OPTICAL WAVEGUIDE [patent_app_type] => utility [patent_app_number] => 16/392978 [patent_app_country] => US [patent_app_date] => 2019-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17519 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16392978 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/392978
Luminaires utilizing optical waveguide Apr 23, 2019 Issued
Array ( [id] => 17308500 [patent_doc_number] => 11209605 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-28 [patent_title] => Optical fiber ribbon, die, and method of manufacturing optical fiber ribbon [patent_app_type] => utility [patent_app_number] => 16/626950 [patent_app_country] => US [patent_app_date] => 2019-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 5208 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16626950 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/626950
Optical fiber ribbon, die, and method of manufacturing optical fiber ribbon Apr 11, 2019 Issued
Array ( [id] => 16682843 [patent_doc_number] => 10942317 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-09 [patent_title] => Fiber optic ferrule with smooth internal contours [patent_app_type] => utility [patent_app_number] => 16/377898 [patent_app_country] => US [patent_app_date] => 2019-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 21 [patent_no_of_words] => 4881 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16377898 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/377898
Fiber optic ferrule with smooth internal contours Apr 7, 2019 Issued
Array ( [id] => 17731917 [patent_doc_number] => 11388329 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-07-12 [patent_title] => Electronic devices having displays with image transport layers [patent_app_type] => utility [patent_app_number] => 16/376961 [patent_app_country] => US [patent_app_date] => 2019-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 17 [patent_no_of_words] => 9552 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16376961 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/376961
Electronic devices having displays with image transport layers Apr 4, 2019 Issued
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