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] => 17314083 [patent_doc_number] => 20210403131 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => SMALL WATERCRAFT SYSTEM AND METHOD OF CONTROLLING SMALL WATERCRAFT [patent_app_type] => utility [patent_app_number] => 16/916158 [patent_app_country] => US [patent_app_date] => 2020-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17839 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16916158 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/916158
Small watercraft system and method of controlling small watercraft Jun 29, 2020 Issued
Array ( [id] => 16360543 [patent_doc_number] => 20200317294 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => EXPANDABLE PONTOON BOAT [patent_app_type] => utility [patent_app_number] => 16/908807 [patent_app_country] => US [patent_app_date] => 2020-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3362 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16908807 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/908807
EXPANDABLE PONTOON BOAT Jun 22, 2020 Abandoned
Array ( [id] => 16360565 [patent_doc_number] => 20200317316 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-10-08 [patent_title] => VERTICAL-INPUT OUTBOARD-MOTOR FORWARD-REVERSE ANGLED-DRIVE LOWER UNIT [patent_app_type] => utility [patent_app_number] => 16/908326 [patent_app_country] => US [patent_app_date] => 2020-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2514 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 599 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16908326 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/908326
Vertical-input outboard-motor forward-reverse angled-drive lower unit Jun 21, 2020 Issued
Array ( [id] => 16514325 [patent_doc_number] => 20200393583 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-17 [patent_title] => SEISMIC SOURCE APPARATUS [patent_app_type] => utility [patent_app_number] => 16/904188 [patent_app_country] => US [patent_app_date] => 2020-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17156 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16904188 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/904188
SEISMIC SOURCE APPARATUS Jun 16, 2020 Abandoned
Array ( [id] => 17938076 [patent_doc_number] => 11472516 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Raft sampling bench [patent_app_type] => utility [patent_app_number] => 16/898213 [patent_app_country] => US [patent_app_date] => 2020-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2370 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16898213 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/898213
Raft sampling bench Jun 9, 2020 Issued
Array ( [id] => 16505833 [patent_doc_number] => 20200385089 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => WALK-ON AFT DECK AND EXTENDABLE SWIM PLATFORM SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 16/893398 [patent_app_country] => US [patent_app_date] => 2020-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7622 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 16893398 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/893398
WALK-ON AFT DECK AND EXTENDABLE SWIM PLATFORM SYSTEM AND METHOD Jun 3, 2020 Abandoned
Array ( [id] => 17776180 [patent_doc_number] => 20220242529 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-04 [patent_title] => A BUOYANT ROTATABLE MARINE TRANSDUCER [patent_app_type] => utility [patent_app_number] => 17/616402 [patent_app_country] => US [patent_app_date] => 2020-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9625 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -42 [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] => 17616402 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/616402
Buoyant rotatable marine transducer Jun 1, 2020 Issued
Array ( [id] => 18412826 [patent_doc_number] => 11667358 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-06 [patent_title] => Watercraft [patent_app_type] => utility [patent_app_number] => 16/888508 [patent_app_country] => US [patent_app_date] => 2020-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 7293 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16888508 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/888508
Watercraft May 28, 2020 Issued
Array ( [id] => 17452691 [patent_doc_number] => 11267533 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-03-08 [patent_title] => Mooring line assembly for a watercraft [patent_app_type] => utility [patent_app_number] => 16/887606 [patent_app_country] => US [patent_app_date] => 2020-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 27 [patent_no_of_words] => 12511 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16887606 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/887606
Mooring line assembly for a watercraft May 28, 2020 Issued
Array ( [id] => 16770552 [patent_doc_number] => 10981638 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-04-20 [patent_title] => Electric actuator for a marine steering system [patent_app_type] => utility [patent_app_number] => 16/881676 [patent_app_country] => US [patent_app_date] => 2020-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 17 [patent_no_of_words] => 3170 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16881676 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/881676
Electric actuator for a marine steering system May 21, 2020 Issued
Array ( [id] => 17799880 [patent_doc_number] => 11414160 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-16 [patent_title] => Tugboat [patent_app_type] => utility [patent_app_number] => 16/879402 [patent_app_country] => US [patent_app_date] => 2020-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 10778 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16879402 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/879402
Tugboat May 19, 2020 Issued
Array ( [id] => 17761085 [patent_doc_number] => 20220234697 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-28 [patent_title] => A FLOATING STRUCTURE AND METHOD OF INSTALLATION [patent_app_type] => utility [patent_app_number] => 17/612458 [patent_app_country] => US [patent_app_date] => 2020-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5874 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17612458 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/612458
A FLOATING STRUCTURE AND METHOD OF INSTALLATION May 17, 2020 Abandoned
Array ( [id] => 19457453 [patent_doc_number] => 12097931 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-24 [patent_title] => Air release unit with diverging side walls [patent_app_type] => utility [patent_app_number] => 17/611401 [patent_app_country] => US [patent_app_date] => 2020-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3453 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 17611401 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/611401
Air release unit with diverging side walls May 14, 2020 Issued
Array ( [id] => 18029502 [patent_doc_number] => 11512679 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-29 [patent_title] => Ocean wind systems, subsystems, and methods with stabilization by assemblies of deep-water-masses with articulating floats [patent_app_type] => utility [patent_app_number] => 15/931569 [patent_app_country] => US [patent_app_date] => 2020-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5790 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [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] => 15931569 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/931569
Ocean wind systems, subsystems, and methods with stabilization by assemblies of deep-water-masses with articulating floats May 12, 2020 Issued
Array ( [id] => 16483583 [patent_doc_number] => 20200377183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => BOAT DOCK WITH IMPROVED INGRESS AND EGRESS [patent_app_type] => utility [patent_app_number] => 16/872482 [patent_app_country] => US [patent_app_date] => 2020-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6991 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16872482 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/872482
BOAT DOCK WITH IMPROVED INGRESS AND EGRESS May 11, 2020 Abandoned
Array ( [id] => 16436709 [patent_doc_number] => 20200354034 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => Oar Featuring Measurement Sleeve and Related Methods [patent_app_type] => utility [patent_app_number] => 16/871007 [patent_app_country] => US [patent_app_date] => 2020-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4462 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16871007 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/871007
Oar featuring measurement sleeve and related methods May 9, 2020 Issued
Array ( [id] => 20147159 [patent_doc_number] => 12381508 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-05 [patent_title] => Floating carrier device [patent_app_type] => utility [patent_app_number] => 17/609354 [patent_app_country] => US [patent_app_date] => 2020-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 19 [patent_no_of_words] => 21115 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17609354 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/609354
Floating carrier device May 6, 2020 Issued
Array ( [id] => 16436704 [patent_doc_number] => 20200354029 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => ADJUSTABLE FLOTATION DEVICE [patent_app_type] => utility [patent_app_number] => 16/866948 [patent_app_country] => US [patent_app_date] => 2020-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3422 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16866948 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/866948
Adjustable flotation device May 4, 2020 Issued
Array ( [id] => 16641779 [patent_doc_number] => 10919607 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-02-16 [patent_title] => Built-in system for testing the sprinkler system of a lifeboat [patent_app_type] => utility [patent_app_number] => 16/865472 [patent_app_country] => US [patent_app_date] => 2020-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1627 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16865472 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/865472
Built-in system for testing the sprinkler system of a lifeboat May 3, 2020 Issued
Array ( [id] => 17393124 [patent_doc_number] => 11242119 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-08 [patent_title] => Transforming floating dock system [patent_app_type] => utility [patent_app_number] => 16/865376 [patent_app_country] => US [patent_app_date] => 2020-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 3174 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 356 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16865376 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/865376
Transforming floating dock system May 2, 2020 Issued
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