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] => 14446213 [patent_doc_number] => 20190180980 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-13 [patent_title] => Lathe Head for Nano/Micro Machining of Materials [patent_app_type] => utility [patent_app_number] => 16/277954 [patent_app_country] => US [patent_app_date] => 2019-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5435 [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] => 16277954 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/277954
Lathe Head for Nano/Micro Machining of Materials Feb 14, 2019 Abandoned
Array ( [id] => 18186785 [patent_doc_number] => 11577348 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-14 [patent_title] => Tank fabricating equipment [patent_app_type] => utility [patent_app_number] => 16/275922 [patent_app_country] => US [patent_app_date] => 2019-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 4282 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16275922 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/275922
Tank fabricating equipment Feb 13, 2019 Issued
Array ( [id] => 17377369 [patent_doc_number] => 11235359 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-01 [patent_title] => Robotic laser and vacuum cleaning for environmental gains [patent_app_type] => utility [patent_app_number] => 16/272561 [patent_app_country] => US [patent_app_date] => 2019-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 8378 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 228 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16272561 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/272561
Robotic laser and vacuum cleaning for environmental gains Feb 10, 2019 Issued
Array ( [id] => 16841302 [patent_doc_number] => 11013359 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-05-25 [patent_title] => Drip container and portable coffee drinking container [patent_app_type] => utility [patent_app_number] => 16/967126 [patent_app_country] => US [patent_app_date] => 2019-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 8493 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16967126 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/967126
Drip container and portable coffee drinking container Jan 31, 2019 Issued
Array ( [id] => 14650607 [patent_doc_number] => 20190232432 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-01 [patent_title] => METHOD FOR LASER-BASED GENERATION OF A STRUCTURE ON A RAKE FACE OF A CUTTING TOOL [patent_app_type] => utility [patent_app_number] => 16/262025 [patent_app_country] => US [patent_app_date] => 2019-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3606 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16262025 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/262025
METHOD FOR LASER-BASED GENERATION OF A STRUCTURE ON A RAKE FACE OF A CUTTING TOOL Jan 29, 2019 Abandoned
Array ( [id] => 16205430 [patent_doc_number] => 20200238420 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-30 [patent_title] => CONTROL SYSTEM USING LIGHT SIGNAL FEEDBACK TO GUIDE WELDING OPERATIONS [patent_app_type] => utility [patent_app_number] => 16/258159 [patent_app_country] => US [patent_app_date] => 2019-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4207 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16258159 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/258159
CONTROL SYSTEM USING LIGHT SIGNAL FEEDBACK TO GUIDE WELDING OPERATIONS Jan 24, 2019 Abandoned
Array ( [id] => 14577047 [patent_doc_number] => 20190216132 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-18 [patent_title] => POROUS SINTERED BODIES FOR USE AS LIQUID STORAGE AND VAPORIZER [patent_app_type] => utility [patent_app_number] => 16/247931 [patent_app_country] => US [patent_app_date] => 2019-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9117 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16247931 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/247931
POROUS SINTERED BODIES FOR USE AS LIQUID STORAGE AND VAPORIZER Jan 14, 2019 Abandoned
Array ( [id] => 15292209 [patent_doc_number] => 20190389240 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-26 [patent_title] => HEAT PEN FOR USE WITH ELECTRONIC CUTTING AND/OR DRAWING SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/244031 [patent_app_country] => US [patent_app_date] => 2019-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4800 [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] => 16244031 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/244031
Heat pen for use with electronic cutting and/or drawing systems Jan 8, 2019 Issued
Array ( [id] => 17265935 [patent_doc_number] => 11191335 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-07 [patent_title] => Hair styling appliance [patent_app_type] => utility [patent_app_number] => 16/241412 [patent_app_country] => US [patent_app_date] => 2019-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 8537 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16241412 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/241412
Hair styling appliance Jan 6, 2019 Issued
Array ( [id] => 18215690 [patent_doc_number] => 11590606 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-28 [patent_title] => High power laser tunneling mining and construction equipment and methods of use [patent_app_type] => utility [patent_app_number] => 16/237691 [patent_app_country] => US [patent_app_date] => 2019-01-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 42 [patent_figures_cnt] => 50 [patent_no_of_words] => 31092 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16237691 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/237691
High power laser tunneling mining and construction equipment and methods of use Dec 31, 2018 Issued
Array ( [id] => 17139164 [patent_doc_number] => 11140750 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-05 [patent_title] => Closed loop temperature controlled circuit to improve device stability [patent_app_type] => utility [patent_app_number] => 16/233926 [patent_app_country] => US [patent_app_date] => 2018-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 24 [patent_no_of_words] => 7327 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16233926 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/233926
Closed loop temperature controlled circuit to improve device stability Dec 26, 2018 Issued
Array ( [id] => 14183623 [patent_doc_number] => 20190111516 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-18 [patent_title] => METHODS AND DEVICES FOR DETERMINING A REFERENCE FOCUS POSITION OF A BEAM OF BEAM-BASED MACHINE TOOLS BY PERFORMING TEST CUTS ON A WORKPIECE [patent_app_type] => utility [patent_app_number] => 16/229217 [patent_app_country] => US [patent_app_date] => 2018-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6801 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16229217 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/229217
Methods and devices for determining a reference focus position of a beam of beam-based machine tools by performing test cuts on a workpiece Dec 20, 2018 Issued
Array ( [id] => 14212067 [patent_doc_number] => 20190118418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-04-25 [patent_title] => METHOD FOR FINISHING MATCHING SURFACES IN FORMING TOOL COMPONENTS [patent_app_type] => utility [patent_app_number] => 16/222034 [patent_app_country] => US [patent_app_date] => 2018-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4083 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16222034 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/222034
Method for finishing matching surfaces in forming tool components Dec 16, 2018 Issued
Array ( [id] => 17028096 [patent_doc_number] => 11089891 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-17 [patent_title] => Portable cooler container with active temperature control [patent_app_type] => utility [patent_app_number] => 16/218965 [patent_app_country] => US [patent_app_date] => 2018-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 108 [patent_figures_cnt] => 120 [patent_no_of_words] => 85786 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16218965 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/218965
Portable cooler container with active temperature control Dec 12, 2018 Issued
Array ( [id] => 18115872 [patent_doc_number] => 11547241 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-01-10 [patent_title] => Skewer holder [patent_app_type] => utility [patent_app_number] => 16/214448 [patent_app_country] => US [patent_app_date] => 2018-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 5016 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16214448 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/214448
Skewer holder Dec 9, 2018 Issued
Array ( [id] => 17741853 [patent_doc_number] => 11389907 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-19 [patent_title] => Laser machining apparatus and laser machining method [patent_app_type] => utility [patent_app_number] => 17/280187 [patent_app_country] => US [patent_app_date] => 2018-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5234 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17280187 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/280187
Laser machining apparatus and laser machining method Dec 2, 2018 Issued
Array ( [id] => 17467065 [patent_doc_number] => 11273524 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-15 [patent_title] => Apparatus for laser or plasma cutting of pieces of laminar material wound in coil [patent_app_type] => utility [patent_app_number] => 16/198212 [patent_app_country] => US [patent_app_date] => 2018-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 5222 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 469 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16198212 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/198212
Apparatus for laser or plasma cutting of pieces of laminar material wound in coil Nov 20, 2018 Issued
Array ( [id] => 15195661 [patent_doc_number] => 10495317 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-12-03 [patent_title] => Dual-fuel source cooking devices [patent_app_type] => utility [patent_app_number] => 16/195647 [patent_app_country] => US [patent_app_date] => 2018-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 21 [patent_no_of_words] => 13634 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 366 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16195647 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/195647
Dual-fuel source cooking devices Nov 18, 2018 Issued
Array ( [id] => 14310201 [patent_doc_number] => 20190144804 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-16 [patent_title] => BEVERAGE MAKER [patent_app_type] => utility [patent_app_number] => 16/193369 [patent_app_country] => US [patent_app_date] => 2018-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9691 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16193369 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/193369
Beverage maker Nov 15, 2018 Issued
Array ( [id] => 17362944 [patent_doc_number] => 11229953 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-25 [patent_title] => Methods and systems for additive manufacturing [patent_app_type] => utility [patent_app_number] => 16/193218 [patent_app_country] => US [patent_app_date] => 2018-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 10122 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16193218 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/193218
Methods and systems for additive manufacturing Nov 15, 2018 Issued
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