Search

Sunray Chang

Examiner (ID: 5342, Phone: (571)272-3682 , Office: P/2121 )

Most Active Art Unit
2121
Art Unit(s)
2121
Total Applications
427
Issued Applications
241
Pending Applications
14
Abandoned Applications
172

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17035637 [patent_doc_number] => 20210252595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => OUTER RING FOR VARIABLE OIL PUMP AND MANUFACTURING METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 16/883466 [patent_app_country] => US [patent_app_date] => 2020-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5440 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16883466 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/883466
OUTER RING FOR VARIABLE OIL PUMP AND MANUFACTURING METHOD THEREOF May 25, 2020 Abandoned
Array ( [id] => 17642389 [patent_doc_number] => 20220170127 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => STEEL SHEET [patent_app_type] => utility [patent_app_number] => 17/432330 [patent_app_country] => US [patent_app_date] => 2020-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15284 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17432330 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/432330
Steel sheet Apr 23, 2020 Issued
Array ( [id] => 16399231 [patent_doc_number] => 20200340089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-29 [patent_title] => QUENCHING APPARATUS AND QUENCHING METHOD [patent_app_type] => utility [patent_app_number] => 16/851899 [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] => 4040 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16851899 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/851899
QUENCHING APPARATUS AND QUENCHING METHOD Apr 16, 2020 Abandoned
Array ( [id] => 18593215 [patent_doc_number] => 11742126 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-29 [patent_title] => Inductor [patent_app_type] => utility [patent_app_number] => 16/831361 [patent_app_country] => US [patent_app_date] => 2020-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 8460 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16831361 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/831361
Inductor Mar 25, 2020 Issued
Array ( [id] => 17548562 [patent_doc_number] => 20220119903 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-21 [patent_title] => Steel Wire Having Excellent Straightness Quality and Manufacturing Method Thereof [patent_app_type] => utility [patent_app_number] => 16/756483 [patent_app_country] => US [patent_app_date] => 2020-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5464 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 16756483 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/756483
Steel Wire Having Excellent Straightness Quality and Manufacturing Method Thereof Mar 2, 2020 Abandoned
Array ( [id] => 16269232 [patent_doc_number] => 20200270719 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-27 [patent_title] => REDUCTION AND REMOVAL OF PROCESS OXIDES ON STAINLESS STEEL [patent_app_type] => utility [patent_app_number] => 16/797635 [patent_app_country] => US [patent_app_date] => 2020-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2827 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 46 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16797635 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/797635
REDUCTION AND REMOVAL OF PROCESS OXIDES ON STAINLESS STEEL Feb 20, 2020 Abandoned
Array ( [id] => 18518736 [patent_doc_number] => 11708619 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-25 [patent_title] => Method and device for reducing and homogenizing residual stress of a component [patent_app_type] => utility [patent_app_number] => 16/796542 [patent_app_country] => US [patent_app_date] => 2020-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 8858 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [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] => 16796542 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/796542
Method and device for reducing and homogenizing residual stress of a component Feb 19, 2020 Issued
Array ( [id] => 17579227 [patent_doc_number] => 20220136082 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => TUNGSTEN RECOVERY METHOD [patent_app_type] => utility [patent_app_number] => 17/431296 [patent_app_country] => US [patent_app_date] => 2020-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3711 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17431296 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/431296
TUNGSTEN RECOVERY METHOD Jan 14, 2020 Abandoned
Array ( [id] => 18481075 [patent_doc_number] => 11694826 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-04 [patent_title] => Method of preparing bonded magnet and bonded magnet [patent_app_type] => utility [patent_app_number] => 16/728320 [patent_app_country] => US [patent_app_date] => 2019-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 6566 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [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] => 16728320 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/728320
Method of preparing bonded magnet and bonded magnet Dec 26, 2019 Issued
Array ( [id] => 17460707 [patent_doc_number] => 20220074012 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => ANNEALING SEPARATOR FOR GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET [patent_app_type] => utility [patent_app_number] => 17/417375 [patent_app_country] => US [patent_app_date] => 2019-12-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6668 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 17417375 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/417375
Annealing separator for grain-oriented electrical steel sheet and method of producing grain-oriented electrical steel sheet Dec 25, 2019 Issued
Array ( [id] => 16191214 [patent_doc_number] => 20200232063 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => METHOD AND FURNACE FOR THERMALLY TREATING A HIGH-RESISTANCE STEEL STRIP COMPRISING A TEMPERATURE HOMOGENISATION CHAMBER [patent_app_type] => utility [patent_app_number] => 16/722637 [patent_app_country] => US [patent_app_date] => 2019-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6159 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16722637 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/722637
METHOD AND FURNACE FOR THERMALLY TREATING A HIGH-RESISTANCE STEEL STRIP COMPRISING A TEMPERATURE HOMOGENISATION CHAMBER Dec 19, 2019 Abandoned
Array ( [id] => 18084714 [patent_doc_number] => 11534825 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-27 [patent_title] => Method for making a metal part with a complex geometry with a thin wall [patent_app_type] => utility [patent_app_number] => 16/714391 [patent_app_country] => US [patent_app_date] => 2019-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 13 [patent_no_of_words] => 2774 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16714391 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/714391
Method for making a metal part with a complex geometry with a thin wall Dec 12, 2019 Issued
Array ( [id] => 15969249 [patent_doc_number] => 20200168376 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-28 [patent_title] => MAGNETIC POWDER, COMPRESSED POWDER CORE, METHOD OF PREPARATION THEREOF [patent_app_type] => utility [patent_app_number] => 16/693603 [patent_app_country] => US [patent_app_date] => 2019-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3379 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16693603 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/693603
MAGNETIC POWDER, COMPRESSED POWDER CORE, METHOD OF PREPARATION THEREOF Nov 24, 2019 Abandoned
Array ( [id] => 16858253 [patent_doc_number] => 20210158998 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => COMPOSITE MAGNETS AND METHODS OF MAKING COMPOSITE MAGNETS [patent_app_type] => utility [patent_app_number] => 16/690234 [patent_app_country] => US [patent_app_date] => 2019-11-21 [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] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16690234 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/690234
COMPOSITE MAGNETS AND METHODS OF MAKING COMPOSITE MAGNETS Nov 20, 2019 Abandoned
Array ( [id] => 15896345 [patent_doc_number] => 20200147691 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-14 [patent_title] => Ultrasonic Monitoring of Additive Manufacturing [patent_app_type] => utility [patent_app_number] => 16/680450 [patent_app_country] => US [patent_app_date] => 2019-11-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5613 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16680450 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/680450
Ultrasonic Monitoring of Additive Manufacturing Nov 10, 2019 Abandoned
Array ( [id] => 19441494 [patent_doc_number] => 12091737 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-17 [patent_title] => Method for improved current contacting when welding using a current-carrying wire electrode [patent_app_type] => utility [patent_app_number] => 17/280477 [patent_app_country] => US [patent_app_date] => 2019-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2662 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17280477 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/280477
Method for improved current contacting when welding using a current-carrying wire electrode Sep 30, 2019 Issued
Array ( [id] => 17185570 [patent_doc_number] => 20210332455 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-28 [patent_title] => MAGNETIC COOLING ROLL [patent_app_type] => utility [patent_app_number] => 17/273466 [patent_app_country] => US [patent_app_date] => 2019-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2976 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17273466 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/273466
Magnetic cooling roll Aug 27, 2019 Issued
Array ( [id] => 16870611 [patent_doc_number] => 20210164078 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => SPRING STEEL HAVING SUPERIOR FATIGUE LIFE, AND MANUFACTURING METHOD FOR SAME [patent_app_type] => utility [patent_app_number] => 17/261457 [patent_app_country] => US [patent_app_date] => 2019-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4442 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17261457 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/261457
SPRING STEEL HAVING SUPERIOR FATIGUE LIFE, AND MANUFACTURING METHOD FOR SAME Jul 18, 2019 Abandoned
Array ( [id] => 17110677 [patent_doc_number] => 20210291274 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => INFILTRATABLE STRUCTURES [patent_app_type] => utility [patent_app_number] => 17/264253 [patent_app_country] => US [patent_app_date] => 2019-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10935 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17264253 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/264253
INFILTRATABLE STRUCTURES Jul 14, 2019 Abandoned
Array ( [id] => 15154051 [patent_doc_number] => 20190355503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-21 [patent_title] => METHOD FOR MANUFACTURING POWDER MAGNETIC CORE, AND POWDER MAGNETIC CORE [patent_app_type] => utility [patent_app_number] => 16/430816 [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] => 11839 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16430816 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/430816
Method for manufacturing powder magnetic core, and powder magnetic core Jun 3, 2019 Issued
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