
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |