Search

Rick Kiltae Chang

Examiner (ID: 7412, Phone: (571)272-4564 , Office: P/3726 )

Most Active Art Unit
3726
Art Unit(s)
3729, 3726
Total Applications
1907
Issued Applications
1423
Pending Applications
31
Abandoned Applications
456

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19738006 [patent_doc_number] => 12214824 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-04 [patent_title] => Front rail weldment [patent_app_type] => utility [patent_app_number] => 17/944483 [patent_app_country] => US [patent_app_date] => 2022-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 4383 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17944483 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/944483
Front rail weldment Sep 13, 2022 Issued
Array ( [id] => 19044226 [patent_doc_number] => 11933318 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Method for assembling a pump section and a fluid pump including the pump section [patent_app_type] => utility [patent_app_number] => 17/890349 [patent_app_country] => US [patent_app_date] => 2022-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 16 [patent_no_of_words] => 6482 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17890349 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/890349
Method for assembling a pump section and a fluid pump including the pump section Aug 17, 2022 Issued
Array ( [id] => 18946901 [patent_doc_number] => 11890173 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-06 [patent_title] => 3D printed nasal pharyngeal and oral swabs [patent_app_type] => utility [patent_app_number] => 17/890117 [patent_app_country] => US [patent_app_date] => 2022-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 5107 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17890117 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/890117
3D printed nasal pharyngeal and oral swabs Aug 16, 2022 Issued
Array ( [id] => 18995130 [patent_doc_number] => 11911950 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-02-27 [patent_title] => Method for forming a vacuum insulated structure [patent_app_type] => utility [patent_app_number] => 17/872208 [patent_app_country] => US [patent_app_date] => 2022-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 7388 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17872208 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/872208
Method for forming a vacuum insulated structure Jul 24, 2022 Issued
Array ( [id] => 18254005 [patent_doc_number] => 20230081044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-16 [patent_title] => METHOD AND SYSTEM FOR SERVICING A HEAT EXCHANGER [patent_app_type] => utility [patent_app_number] => 17/848568 [patent_app_country] => US [patent_app_date] => 2022-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6208 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17848568 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/848568
METHOD AND SYSTEM FOR SERVICING A HEAT EXCHANGER Jun 23, 2022 Abandoned
Array ( [id] => 18802070 [patent_doc_number] => 11835226 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-05 [patent_title] => Method of disassembling steam generator [patent_app_type] => utility [patent_app_number] => 17/925754 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3671 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [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] => 17925754 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/925754
Method of disassembling steam generator Apr 25, 2022 Issued
Array ( [id] => 18666903 [patent_doc_number] => 11773787 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Method of assembly for gas turbine fan drive gear system [patent_app_type] => utility [patent_app_number] => 17/729129 [patent_app_country] => US [patent_app_date] => 2022-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 4132 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17729129 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/729129
Method of assembly for gas turbine fan drive gear system Apr 25, 2022 Issued
Array ( [id] => 18666841 [patent_doc_number] => 11773724 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Wrought root blade manufacture methods [patent_app_type] => utility [patent_app_number] => 17/711441 [patent_app_country] => US [patent_app_date] => 2022-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 4360 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17711441 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/711441
Wrought root blade manufacture methods Mar 31, 2022 Issued
Array ( [id] => 17735285 [patent_doc_number] => 20220220744 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => System And Method Of Assembling And Installing Commercial Roofing [patent_app_type] => utility [patent_app_number] => 17/692339 [patent_app_country] => US [patent_app_date] => 2022-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2794 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17692339 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/692339
System and method of assembling and installing commercial roofing Mar 10, 2022 Issued
Array ( [id] => 18626031 [patent_doc_number] => 20230284810 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-14 [patent_title] => BEVERAGE CAN HANDLE [patent_app_type] => utility [patent_app_number] => 17/691701 [patent_app_country] => US [patent_app_date] => 2022-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4419 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 315 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17691701 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/691701
Beverage can handle and method Mar 9, 2022 Issued
Array ( [id] => 17849845 [patent_doc_number] => 20220279886 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-08 [patent_title] => METHODS AND APPARATUS FOR PREPARING REMOVABLY ATTACHABLE DECORATIVE ARTICLES [patent_app_type] => utility [patent_app_number] => 17/683497 [patent_app_country] => US [patent_app_date] => 2022-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11051 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17683497 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/683497
Method for preparing removably attachable decorative articles Feb 28, 2022 Issued
Array ( [id] => 17657863 [patent_doc_number] => 20220178328 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => Near-Net Shape Single-Piece Piston Blanks [patent_app_type] => utility [patent_app_number] => 17/676651 [patent_app_country] => US [patent_app_date] => 2022-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1475 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17676651 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/676651
Forming near-net shape single-piece piston blanks Feb 20, 2022 Issued
Array ( [id] => 18872560 [patent_doc_number] => 11860357 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-01-02 [patent_title] => Method for manufacturing optical scanning systems [patent_app_type] => utility [patent_app_number] => 17/667005 [patent_app_country] => US [patent_app_date] => 2022-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 5308 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17667005 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/667005
Method for manufacturing optical scanning systems Feb 7, 2022 Issued
Array ( [id] => 19240547 [patent_doc_number] => 12010958 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-18 [patent_title] => High flow Venturi nozzle, system, method of manufacture and method of use [patent_app_type] => utility [patent_app_number] => 17/585541 [patent_app_country] => US [patent_app_date] => 2022-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 23 [patent_no_of_words] => 4397 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17585541 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/585541
High flow Venturi nozzle, system, method of manufacture and method of use Jan 25, 2022 Issued
Array ( [id] => 17577784 [patent_doc_number] => 20220134639 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => ADDITIVE MANUFACTURE USING COMPOSITE MATERIAL ARRANGED WITHIN A MECHANICALLY ROBUST MATRIX [patent_app_type] => utility [patent_app_number] => 17/581478 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7629 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17581478 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/581478
Additive manufacture using composite material arranged within a mechanically robust matrix Jan 20, 2022 Issued
Array ( [id] => 18384941 [patent_doc_number] => 11655713 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Integrally repaired bladed rotor [patent_app_type] => utility [patent_app_number] => 17/572283 [patent_app_country] => US [patent_app_date] => 2022-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 32 [patent_no_of_words] => 13728 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17572283 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/572283
Integrally repaired bladed rotor Jan 9, 2022 Issued
Array ( [id] => 17719606 [patent_doc_number] => 20220212325 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => TOOL FOR POWERED SPRAYER [patent_app_type] => utility [patent_app_number] => 17/552529 [patent_app_country] => US [patent_app_date] => 2021-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2346 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17552529 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/552529
Tool for powered sprayer Dec 15, 2021 Issued
Array ( [id] => 18390336 [patent_doc_number] => 20230158554 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-05-25 [patent_title] => REMOVING DEBRIS FROM AN ENGINE COMPONENT [patent_app_type] => utility [patent_app_number] => 17/535101 [patent_app_country] => US [patent_app_date] => 2021-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6180 [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] => 17535101 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/535101
Removing debris from an engine component Nov 23, 2021 Issued
Array ( [id] => 18322020 [patent_doc_number] => 20230120148 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-04-20 [patent_title] => MULTIPLEX INERTIAL FILTER, COLLECTOR AND SEPARATOR [patent_app_type] => utility [patent_app_number] => 17/455736 [patent_app_country] => US [patent_app_date] => 2021-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10973 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 24 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17455736 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/455736
Multiplex inertial filter, collector and separator Nov 18, 2021 Issued
Array ( [id] => 17461189 [patent_doc_number] => 20220074494 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => SEAL, AIRCRAFT INCLUDING THE SEAL, AND METHODS THEREFOR [patent_app_type] => utility [patent_app_number] => 17/526479 [patent_app_country] => US [patent_app_date] => 2021-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11462 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17526479 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/526479
Method of using a seal to seal a space between structures Nov 14, 2021 Issued
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