Search

Yean Hsi Chang

Examiner (ID: 7407)

Most Active Art Unit
2835
Art Unit(s)
2835
Total Applications
607
Issued Applications
482
Pending Applications
15
Abandoned Applications
110

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17603746 [patent_doc_number] => 11332216 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-05-17 [patent_title] => Inflatable shuttle boat [patent_app_type] => utility [patent_app_number] => 16/949600 [patent_app_country] => US [patent_app_date] => 2020-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 3226 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16949600 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/949600
Inflatable shuttle boat Nov 4, 2020 Issued
Array ( [id] => 18004586 [patent_doc_number] => 20220363352 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-17 [patent_title] => Water Sport Device [patent_app_type] => utility [patent_app_number] => 17/755567 [patent_app_country] => US [patent_app_date] => 2020-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5808 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -24 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17755567 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/755567
Water sport device Nov 1, 2020 Issued
Array ( [id] => 17578334 [patent_doc_number] => 20220135189 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => PERSONAL WATERCRAFT [patent_app_type] => utility [patent_app_number] => 17/085222 [patent_app_country] => US [patent_app_date] => 2020-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6485 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17085222 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/085222
Personal watercraft Oct 29, 2020 Issued
Array ( [id] => 17649400 [patent_doc_number] => 11352113 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-07 [patent_title] => Collapsible blade equipped paddle device [patent_app_type] => utility [patent_app_number] => 17/082196 [patent_app_country] => US [patent_app_date] => 2020-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1262 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17082196 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/082196
Collapsible blade equipped paddle device Oct 27, 2020 Issued
Array ( [id] => 16621101 [patent_doc_number] => 20210039754 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-11 [patent_title] => MOUNTING ASSEMBLY FOR WATERCRAFT [patent_app_type] => utility [patent_app_number] => 17/081294 [patent_app_country] => US [patent_app_date] => 2020-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2567 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17081294 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/081294
Mounting assembly for watercraft Oct 26, 2020 Issued
Array ( [id] => 17815117 [patent_doc_number] => 11420714 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-08-23 [patent_title] => Personal flotation device [patent_app_type] => utility [patent_app_number] => 17/080338 [patent_app_country] => US [patent_app_date] => 2020-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 23 [patent_no_of_words] => 10238 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17080338 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/080338
Personal flotation device Oct 25, 2020 Issued
Array ( [id] => 17875217 [patent_doc_number] => 11447216 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-20 [patent_title] => Floating platform [patent_app_type] => utility [patent_app_number] => 17/079813 [patent_app_country] => US [patent_app_date] => 2020-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 22 [patent_no_of_words] => 3234 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17079813 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/079813
Floating platform Oct 25, 2020 Issued
Array ( [id] => 16823826 [patent_doc_number] => 20210139119 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => Inflatable flotation device. [patent_app_type] => utility [patent_app_number] => 17/078748 [patent_app_country] => US [patent_app_date] => 2020-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3748 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17078748 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/078748
Inflatable flotation device Oct 22, 2020 Issued
Array ( [id] => 19701135 [patent_doc_number] => 12195141 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-14 [patent_title] => System for retrieval of objects lost in water [patent_app_type] => utility [patent_app_number] => 17/768284 [patent_app_country] => US [patent_app_date] => 2020-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4430 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 311 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17768284 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/768284
System for retrieval of objects lost in water Oct 19, 2020 Issued
Array ( [id] => 19051554 [patent_doc_number] => 20240093523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => SWIMMING POOL CLEANER WATER SURFACE DIVERTER [patent_app_type] => utility [patent_app_number] => 17/754881 [patent_app_country] => US [patent_app_date] => 2020-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4588 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 17754881 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/754881
Swimming pool cleaner water surface diverter Oct 18, 2020 Issued
Array ( [id] => 16597658 [patent_doc_number] => 20210024189 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => Harness System [patent_app_type] => utility [patent_app_number] => 17/070574 [patent_app_country] => US [patent_app_date] => 2020-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4673 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17070574 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/070574
Harness system Oct 13, 2020 Issued
Array ( [id] => 17696812 [patent_doc_number] => 11370521 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-06-28 [patent_title] => Systems and methods for aligning steering angles of marine propulsion devices [patent_app_type] => utility [patent_app_number] => 17/068332 [patent_app_country] => US [patent_app_date] => 2020-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 9306 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17068332 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/068332
Systems and methods for aligning steering angles of marine propulsion devices Oct 11, 2020 Issued
Array ( [id] => 16785806 [patent_doc_number] => 10988215 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-04-27 [patent_title] => Surfboard and method of construction [patent_app_type] => utility [patent_app_number] => 17/067180 [patent_app_country] => US [patent_app_date] => 2020-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 42 [patent_no_of_words] => 5872 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17067180 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/067180
Surfboard and method of construction Oct 8, 2020 Issued
Array ( [id] => 20547118 [patent_doc_number] => 12557884 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Slide fastener [patent_app_type] => utility [patent_app_number] => 17/754643 [patent_app_country] => US [patent_app_date] => 2020-10-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17754643 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/754643
Slide fastener Oct 6, 2020 Issued
Array ( [id] => 18462812 [patent_doc_number] => 11687099 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-27 [patent_title] => Boat and trim angle control method for boat [patent_app_type] => utility [patent_app_number] => 17/063738 [patent_app_country] => US [patent_app_date] => 2020-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 14604 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17063738 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/063738
Boat and trim angle control method for boat Oct 5, 2020 Issued
Array ( [id] => 17520174 [patent_doc_number] => 20220106022 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => PERSONAL WATERCRAFT [patent_app_type] => utility [patent_app_number] => 17/062257 [patent_app_country] => US [patent_app_date] => 2020-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6524 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17062257 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/062257
Personal watercraft Oct 1, 2020 Issued
Array ( [id] => 17769086 [patent_doc_number] => 11401010 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-02 [patent_title] => Underwater data capture and transmission system having a variable buoy [patent_app_type] => utility [patent_app_number] => 17/060515 [patent_app_country] => US [patent_app_date] => 2020-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4405 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17060515 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/060515
Underwater data capture and transmission system having a variable buoy Sep 30, 2020 Issued
Array ( [id] => 17587433 [patent_doc_number] => 11325684 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-10 [patent_title] => Inflatable kayak [patent_app_type] => utility [patent_app_number] => 17/037957 [patent_app_country] => US [patent_app_date] => 2020-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4813 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 324 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17037957 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/037957
Inflatable kayak Sep 29, 2020 Issued
Array ( [id] => 16570240 [patent_doc_number] => 20210009246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-14 [patent_title] => LIFE-SAVING DEVICE FOR USE IN WATER [patent_app_type] => utility [patent_app_number] => 17/035797 [patent_app_country] => US [patent_app_date] => 2020-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2790 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17035797 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/035797
Life-saving device for use in water Sep 28, 2020 Issued
Array ( [id] => 17250875 [patent_doc_number] => 11186347 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-11-30 [patent_title] => Adjustable frame for allowing a backrest to recline, a combination adjustable frame and vehicle and/or seat frame, and/or a method of use thereof [patent_app_type] => utility [patent_app_number] => 17/030775 [patent_app_country] => US [patent_app_date] => 2020-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 46 [patent_no_of_words] => 23406 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17030775 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/030775
Adjustable frame for allowing a backrest to recline, a combination adjustable frame and vehicle and/or seat frame, and/or a method of use thereof Sep 23, 2020 Issued
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