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] => 17169423 [patent_doc_number] => 20210323093 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => SYSTEMS AND METHODS FOR ADDITIVE MANUFACTURING [patent_app_type] => utility [patent_app_number] => 17/363181 [patent_app_country] => US [patent_app_date] => 2021-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6340 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17363181 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/363181
Systems and methods for additive manufacturing Jun 29, 2021 Issued
Array ( [id] => 19627040 [patent_doc_number] => 12165889 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-12-10 [patent_title] => Optical heating device [patent_app_type] => utility [patent_app_number] => 17/361552 [patent_app_country] => US [patent_app_date] => 2021-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 6162 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17361552 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/361552
Optical heating device Jun 28, 2021 Issued
Array ( [id] => 18450253 [patent_doc_number] => 20230191530 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => MACHINING HEAD AND METHOD FOR LASER MACHINING [patent_app_type] => utility [patent_app_number] => 18/002624 [patent_app_country] => US [patent_app_date] => 2021-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6210 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18002624 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/002624
Machining head and method for laser machining Jun 22, 2021 Issued
Array ( [id] => 17313662 [patent_doc_number] => 20210402710 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => DEVICE FOR WELDING ELECTROFUSION FITTINGS WITH EXTENSION CABLE [patent_app_type] => utility [patent_app_number] => 17/353846 [patent_app_country] => US [patent_app_date] => 2021-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2966 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17353846 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/353846
Device for welding electrofusion fittings with extension cable Jun 21, 2021 Issued
Array ( [id] => 18582045 [patent_doc_number] => 20230264300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-24 [patent_title] => LASER APPARATUS USING OPTICAL FIBERS FOR STABLE LASER WELDING, AND LASER WELDING METHOD USING SAME [patent_app_type] => utility [patent_app_number] => 17/921981 [patent_app_country] => US [patent_app_date] => 2021-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9546 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17921981 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/921981
LASER APPARATUS USING OPTICAL FIBERS FOR STABLE LASER WELDING, AND LASER WELDING METHOD USING SAME Jun 17, 2021 Pending
Array ( [id] => 17140777 [patent_doc_number] => 20210308788 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-07 [patent_title] => COATING ABLATING APPARATUS WITH COATING REMOVAL DETECTION [patent_app_type] => utility [patent_app_number] => 17/351908 [patent_app_country] => US [patent_app_date] => 2021-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6265 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [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] => 17351908 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/351908
Coating ablating apparatus with coating removal detection Jun 17, 2021 Issued
Array ( [id] => 17341534 [patent_doc_number] => 20220007865 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-13 [patent_title] => Drinkware with Integrated Infuser Holder [patent_app_type] => utility [patent_app_number] => 17/352186 [patent_app_country] => US [patent_app_date] => 2021-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2772 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17352186 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/352186
Drinkware with Integrated Infuser Holder Jun 17, 2021 Abandoned
Array ( [id] => 17112312 [patent_doc_number] => 20210292909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => SYSTEM FOR LASER-DRIVEN IMPACT ACCELERATION [patent_app_type] => utility [patent_app_number] => 17/303940 [patent_app_country] => US [patent_app_date] => 2021-06-10 [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] => -17 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17303940 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/303940
System for laser-driven impact acceleration Jun 9, 2021 Issued
Array ( [id] => 19440345 [patent_doc_number] => 12090576 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Device and method for processing micro-channel on microfluidic chip using multi-focus ultrafast laser [patent_app_type] => utility [patent_app_number] => 17/329251 [patent_app_country] => US [patent_app_date] => 2021-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 4732 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 313 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17329251 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/329251
Device and method for processing micro-channel on microfluidic chip using multi-focus ultrafast laser May 24, 2021 Issued
Array ( [id] => 18627265 [patent_doc_number] => 20230286080 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => HIGH VELOCITY VACUUM SYSTEM FOR LASER ABLATION [patent_app_type] => utility [patent_app_number] => 17/999518 [patent_app_country] => US [patent_app_date] => 2021-05-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10001 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17999518 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/999518
HIGH VELOCITY VACUUM SYSTEM FOR LASER ABLATION May 20, 2021 Pending
Array ( [id] => 18298945 [patent_doc_number] => 20230108631 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-06 [patent_title] => UNDERLAY ARRANGEMENT AND METHOD FOR USING AN UNDERLAY ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 17/911451 [patent_app_country] => US [patent_app_date] => 2021-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5308 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17911451 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/911451
UNDERLAY ARRANGEMENT AND METHOD FOR USING AN UNDERLAY ARRANGEMENT May 19, 2021 Pending
Array ( [id] => 18018353 [patent_doc_number] => 20220369852 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-24 [patent_title] => BEVERAGE DISPENSING ASSEMBLY FOR AN APPLIANCE [patent_app_type] => utility [patent_app_number] => 17/323107 [patent_app_country] => US [patent_app_date] => 2021-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6209 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17323107 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/323107
Beverage dispensing assembly for an appliance May 17, 2021 Issued
Array ( [id] => 18390384 [patent_doc_number] => 20230158602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => TEACHING SYSTEM AND TEACHING METHOD FOR LASER MACHINING [patent_app_type] => utility [patent_app_number] => 17/914923 [patent_app_country] => US [patent_app_date] => 2021-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5956 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 310 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17914923 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/914923
TEACHING SYSTEM AND TEACHING METHOD FOR LASER MACHINING May 9, 2021 Pending
Array ( [id] => 18390384 [patent_doc_number] => 20230158602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => TEACHING SYSTEM AND TEACHING METHOD FOR LASER MACHINING [patent_app_type] => utility [patent_app_number] => 17/914923 [patent_app_country] => US [patent_app_date] => 2021-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5956 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 310 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17914923 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/914923
TEACHING SYSTEM AND TEACHING METHOD FOR LASER MACHINING May 9, 2021 Pending
Array ( [id] => 19520293 [patent_doc_number] => 12121995 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-22 [patent_title] => Laser system for dicing semiconductor structure and operation method thereof [patent_app_type] => utility [patent_app_number] => 17/307928 [patent_app_country] => US [patent_app_date] => 2021-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7618 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17307928 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/307928
Laser system for dicing semiconductor structure and operation method thereof May 3, 2021 Issued
Array ( [id] => 17004759 [patent_doc_number] => 20210235920 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-05 [patent_title] => APPARATUSES, SYSTEMS, AND METHODS FOR BREWING A BEVERAGE [patent_app_type] => utility [patent_app_number] => 17/302023 [patent_app_country] => US [patent_app_date] => 2021-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 32161 [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] => 17302023 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/302023
Apparatuses, systems, and methods for brewing a beverage Apr 20, 2021 Issued
Array ( [id] => 19424238 [patent_doc_number] => 12083631 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Welded assembly and method of welding using electro-spark discharge [patent_app_type] => utility [patent_app_number] => 17/230644 [patent_app_country] => US [patent_app_date] => 2021-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 8853 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17230644 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/230644
Welded assembly and method of welding using electro-spark discharge Apr 13, 2021 Issued
Array ( [id] => 19353414 [patent_doc_number] => 12053840 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-08-06 [patent_title] => Method for determining a parameter of a processing process and processing machine [patent_app_type] => utility [patent_app_number] => 17/226094 [patent_app_country] => US [patent_app_date] => 2021-04-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 8735 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17226094 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/226094
Method for determining a parameter of a processing process and processing machine Apr 8, 2021 Issued
Array ( [id] => 19952678 [patent_doc_number] => 12324061 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Epitaxial deposition chamber [patent_app_type] => utility [patent_app_number] => 17/223940 [patent_app_country] => US [patent_app_date] => 2021-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 17 [patent_no_of_words] => 5882 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17223940 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/223940
Epitaxial deposition chamber Apr 5, 2021 Issued
Array ( [id] => 17021427 [patent_doc_number] => 20210245298 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-12 [patent_title] => METHOD AND DEVICE FOR PROCESSING A WORKPIECE [patent_app_type] => utility [patent_app_number] => 17/219924 [patent_app_country] => US [patent_app_date] => 2021-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5234 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17219924 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/219924
Method and device for processing a workpiece Mar 31, 2021 Issued
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