Search

Edward Chang

Examiner (ID: 4058, Phone: (571)270-3092 , Office: P/3696 )

Most Active Art Unit
3696
Art Unit(s)
3696, 3691, 3692
Total Applications
681
Issued Applications
410
Pending Applications
49
Abandoned Applications
239

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17618520 [patent_doc_number] => 11337543 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-24 [patent_title] => Brewing material holder [patent_app_type] => utility [patent_app_number] => 16/900462 [patent_app_country] => US [patent_app_date] => 2020-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 173 [patent_no_of_words] => 17063 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16900462 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/900462
Brewing material holder Jun 11, 2020 Issued
Array ( [id] => 16314989 [patent_doc_number] => 20200293727 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-17 [patent_title] => Configuring Signal Devices in Thermal Processing Systems [patent_app_type] => utility [patent_app_number] => 16/892736 [patent_app_country] => US [patent_app_date] => 2020-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 29129 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16892736 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/892736
Configuring signal devices in thermal processing systems Jun 3, 2020 Issued
Array ( [id] => 16327378 [patent_doc_number] => 20200298343 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => METHOD FOR PRODUCING DEVICE SUPPORT BASE AND LASER CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 16/892868 [patent_app_country] => US [patent_app_date] => 2020-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6227 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16892868 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/892868
METHOD FOR PRODUCING DEVICE SUPPORT BASE AND LASER CLEANING APPARATUS Jun 3, 2020 Abandoned
Array ( [id] => 18075033 [patent_doc_number] => 20220400645 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-22 [patent_title] => EQUIPMENT FOR THE PRODUCTION OF STUFFED CHEESE, PARTICULARLY BURRATA CHEESE [patent_app_type] => utility [patent_app_number] => 17/775597 [patent_app_country] => US [patent_app_date] => 2020-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5411 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17775597 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/775597
EQUIPMENT FOR THE PRODUCTION OF STUFFED CHEESE, PARTICULARLY BURRATA CHEESE May 19, 2020 Pending
Array ( [id] => 16656523 [patent_doc_number] => 20210053159 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-25 [patent_title] => LASER APPARATUS AND LASER MACHINING METHOD [patent_app_type] => utility [patent_app_number] => 16/862815 [patent_app_country] => US [patent_app_date] => 2020-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8921 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16862815 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/862815
Laser apparatus and laser machining method Apr 29, 2020 Issued
Array ( [id] => 17404675 [patent_doc_number] => 20220046766 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => CYLINDRICAL HEATER [patent_app_type] => utility [patent_app_number] => 17/414582 [patent_app_country] => US [patent_app_date] => 2020-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2735 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17414582 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/414582
Cylindrical heater Apr 16, 2020 Issued
Array ( [id] => 20470864 [patent_doc_number] => 12526909 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Wear part for an arc torch and plasma torch, arc torch and plasma torch comprising same, method for plasma cutting and method for producing an electrode for an arc torch and plasma torch [patent_app_type] => utility [patent_app_number] => 17/642619 [patent_app_country] => US [patent_app_date] => 2020-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 23 [patent_no_of_words] => 1005 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17642619 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/642619
Wear Part for an Arc Torch and Plasma Torch, Arc Torch and Plasma Torch Comprising Same, Method for Plasma Cutting and Method for Producing an Electrode for an Arc Torch and Plasma Torch Apr 14, 2020 Issued
Array ( [id] => 20470864 [patent_doc_number] => 12526909 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Wear part for an arc torch and plasma torch, arc torch and plasma torch comprising same, method for plasma cutting and method for producing an electrode for an arc torch and plasma torch [patent_app_type] => utility [patent_app_number] => 17/642619 [patent_app_country] => US [patent_app_date] => 2020-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 23 [patent_no_of_words] => 1005 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17642619 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/642619
Wear Part for an Arc Torch and Plasma Torch, Arc Torch and Plasma Torch Comprising Same, Method for Plasma Cutting and Method for Producing an Electrode for an Arc Torch and Plasma Torch Apr 14, 2020 Issued
Array ( [id] => 16205445 [patent_doc_number] => 20200238435 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-30 [patent_title] => LASER PATTERNING SKEW CORRECTION [patent_app_type] => utility [patent_app_number] => 16/847286 [patent_app_country] => US [patent_app_date] => 2020-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4733 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16847286 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/847286
Laser patterning skew correction Apr 12, 2020 Issued
Array ( [id] => 18219452 [patent_doc_number] => 11594400 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => Multi zone gas injection upper electrode system [patent_app_type] => utility [patent_app_number] => 16/845723 [patent_app_country] => US [patent_app_date] => 2020-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 29 [patent_no_of_words] => 7016 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16845723 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/845723
Multi zone gas injection upper electrode system Apr 9, 2020 Issued
Array ( [id] => 18546549 [patent_doc_number] => 11719897 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-08 [patent_title] => Material processing utilizing high-frequency beam shaping [patent_app_type] => utility [patent_app_number] => 16/831986 [patent_app_country] => US [patent_app_date] => 2020-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 20 [patent_no_of_words] => 17856 [patent_no_of_claims] => 57 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16831986 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/831986
Material processing utilizing high-frequency beam shaping Mar 26, 2020 Issued
Array ( [id] => 18778260 [patent_doc_number] => 11819943 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-11-21 [patent_title] => Laser material fusion under vacuum, and associated systems and methods [patent_app_type] => utility [patent_app_number] => 16/830141 [patent_app_country] => US [patent_app_date] => 2020-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 8154 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16830141 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/830141
Laser material fusion under vacuum, and associated systems and methods Mar 24, 2020 Issued
Array ( [id] => 16326179 [patent_doc_number] => 20200297144 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => ELECTRIC KETTLE [patent_app_type] => utility [patent_app_number] => 16/822682 [patent_app_country] => US [patent_app_date] => 2020-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19640 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16822682 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/822682
Electric kettle Mar 17, 2020 Issued
Array ( [id] => 16107175 [patent_doc_number] => 20200205610 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-02 [patent_title] => GRILLING APPLIANCE HAVING AIR JACKET FOR SMOKE REMOVAL AND VENTILATION [patent_app_type] => utility [patent_app_number] => 16/815675 [patent_app_country] => US [patent_app_date] => 2020-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6559 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16815675 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/815675
Grilling appliance having air jacket for smoke removal and ventilation Mar 10, 2020 Issued
Array ( [id] => 17702022 [patent_doc_number] => 20220202028 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-30 [patent_title] => THAWING PLANT AND THAWING METHOD OF RAW FROZEN MEAT PRODUCTS IN A DRUM TUMBLER [patent_app_type] => utility [patent_app_number] => 17/606778 [patent_app_country] => US [patent_app_date] => 2020-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7881 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17606778 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/606778
THAWING PLANT AND THAWING METHOD OF RAW FROZEN MEAT PRODUCTS IN A DRUM TUMBLER Mar 9, 2020 Abandoned
Array ( [id] => 18411652 [patent_doc_number] => 11666178 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-06 [patent_title] => Grease strainer for cooking apparatus [patent_app_type] => utility [patent_app_number] => 16/814877 [patent_app_country] => US [patent_app_date] => 2020-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 30 [patent_no_of_words] => 3362 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16814877 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/814877
Grease strainer for cooking apparatus Mar 9, 2020 Issued
Array ( [id] => 16327370 [patent_doc_number] => 20200298335 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => LASER MACHINING METHOD FOR CUTTING WORKPIECE [patent_app_type] => utility [patent_app_number] => 16/811279 [patent_app_country] => US [patent_app_date] => 2020-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22233 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16811279 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/811279
Laser machining method for cutting workpiece Mar 5, 2020 Issued
Array ( [id] => 17066381 [patent_doc_number] => 20210268596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => ELECTROMAGNETIC COMPONENTS COOLING APPARATUS, METHOD, AND CONFIGURATION [patent_app_type] => utility [patent_app_number] => 16/805224 [patent_app_country] => US [patent_app_date] => 2020-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7805 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16805224 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/805224
Electromagnetic components cooling apparatus, method, and configuration Feb 27, 2020 Issued
Array ( [id] => 16296773 [patent_doc_number] => 20200282496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => WELDING METHOD [patent_app_type] => utility [patent_app_number] => 16/792942 [patent_app_country] => US [patent_app_date] => 2020-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4461 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16792942 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/792942
Welding method Feb 17, 2020 Issued
Array ( [id] => 16011019 [patent_doc_number] => 20200180352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => METHODS FOR USING ELECTRONIC CUTTING AND/OR DRAWING SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/793966 [patent_app_country] => US [patent_app_date] => 2020-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4831 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16793966 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/793966
METHODS FOR USING ELECTRONIC CUTTING AND/OR DRAWING SYSTEMS Feb 17, 2020 Abandoned
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