Search

Kai J. Chang

Examiner (ID: 9747, Phone: (571)270-5448 , Office: P/2468 )

Most Active Art Unit
2468
Art Unit(s)
2468
Total Applications
465
Issued Applications
333
Pending Applications
28
Abandoned Applications
109

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 15796343 [patent_doc_number] => 20200121314 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => Thorascopic Heart Valve Repair Method and Apparatus [patent_app_type] => utility [patent_app_number] => 16/722604 [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] => 4434 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 16722604 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/722604
Thorascopic heart valve repair method and apparatus Dec 19, 2019 Issued
Array ( [id] => 18259528 [patent_doc_number] => 11607212 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-21 [patent_title] => Retention suture assembly [patent_app_type] => utility [patent_app_number] => 16/721794 [patent_app_country] => US [patent_app_date] => 2019-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 31 [patent_no_of_words] => 5692 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16721794 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/721794
Retention suture assembly Dec 18, 2019 Issued
Array ( [id] => 18558425 [patent_doc_number] => 11723647 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-15 [patent_title] => Syndesmosis fixation assembly [patent_app_type] => utility [patent_app_number] => 16/717589 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 33 [patent_no_of_words] => 6083 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16717589 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/717589
Syndesmosis fixation assembly Dec 16, 2019 Issued
Array ( [id] => 18070319 [patent_doc_number] => 11529134 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-12-20 [patent_title] => Syndesmosis treatment construct [patent_app_type] => utility [patent_app_number] => 16/717981 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 13 [patent_no_of_words] => 6473 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16717981 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/717981
Syndesmosis treatment construct Dec 16, 2019 Issued
Array ( [id] => 17921378 [patent_doc_number] => 11464599 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2022-10-11 [patent_title] => Specimen marking mechanism [patent_app_type] => utility [patent_app_number] => 16/711653 [patent_app_country] => US [patent_app_date] => 2019-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 1839 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16711653 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/711653
Specimen marking mechanism Dec 11, 2019 Issued
Array ( [id] => 17996402 [patent_doc_number] => 11497483 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Knotless suture anchoring using two awl shafts [patent_app_type] => utility [patent_app_number] => 16/709634 [patent_app_country] => US [patent_app_date] => 2019-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 32 [patent_no_of_words] => 12260 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16709634 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/709634
Knotless suture anchoring using two awl shafts Dec 9, 2019 Issued
Array ( [id] => 16009433 [patent_doc_number] => 20200179559 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-11 [patent_title] => SELF-RETAINING SUTURES OF POLY-4-HYDROXYBUTYRATE AND COPOLYMERS THEREOF [patent_app_type] => utility [patent_app_number] => 16/708020 [patent_app_country] => US [patent_app_date] => 2019-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12391 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 16708020 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/708020
Self-retaining sutures of poly-4-hydroxybutyrate and copolymers thereof Dec 8, 2019 Issued
Array ( [id] => 17569652 [patent_doc_number] => 11317903 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-03 [patent_title] => Implant devices and systems for stabilized fixation of bone and soft tissue [patent_app_type] => utility [patent_app_number] => 16/708202 [patent_app_country] => US [patent_app_date] => 2019-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 34 [patent_no_of_words] => 3876 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16708202 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/708202
Implant devices and systems for stabilized fixation of bone and soft tissue Dec 8, 2019 Issued
Array ( [id] => 17843494 [patent_doc_number] => 11432834 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-06 [patent_title] => Shock wave catheter system with energy control [patent_app_type] => utility [patent_app_number] => 16/694712 [patent_app_country] => US [patent_app_date] => 2019-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 6390 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16694712 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/694712
Shock wave catheter system with energy control Nov 24, 2019 Issued
Array ( [id] => 17996444 [patent_doc_number] => 11497526 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-15 [patent_title] => Cervical tenaculum device [patent_app_type] => utility [patent_app_number] => 16/685810 [patent_app_country] => US [patent_app_date] => 2019-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 27271 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16685810 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/685810
Cervical tenaculum device Nov 14, 2019 Issued
Array ( [id] => 18231872 [patent_doc_number] => 11596412 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-07 [patent_title] => Aneurysm device and delivery system [patent_app_type] => utility [patent_app_number] => 16/678478 [patent_app_country] => US [patent_app_date] => 2019-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 25 [patent_no_of_words] => 11301 [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] => 16678478 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/678478
Aneurysm device and delivery system Nov 7, 2019 Issued
Array ( [id] => 15553727 [patent_doc_number] => 20200061275 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-27 [patent_title] => FLUIDIC DEVICES, METHODS, AND SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/669984 [patent_app_country] => US [patent_app_date] => 2019-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5823 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16669984 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/669984
Fluidic devices, methods, and systems Oct 30, 2019 Issued
Array ( [id] => 15828919 [patent_doc_number] => 20200129741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-30 [patent_title] => DEVICES AND TECHNIQUES FOR CARDIOVASCULAR INTERVENTION [patent_app_type] => utility [patent_app_number] => 16/657630 [patent_app_country] => US [patent_app_date] => 2019-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21425 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16657630 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/657630
Devices and techniques for cardiovascular intervention Oct 17, 2019 Issued
Array ( [id] => 15450709 [patent_doc_number] => 20200038178 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-06 [patent_title] => VASCULAR IMPLANT AND DELIVERY SYSTEM [patent_app_type] => utility [patent_app_number] => 16/601054 [patent_app_country] => US [patent_app_date] => 2019-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15898 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16601054 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/601054
Vascular implant and delivery system Oct 13, 2019 Issued
Array ( [id] => 15450361 [patent_doc_number] => 20200038004 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-06 [patent_title] => Uncoupled LAA Device [patent_app_type] => utility [patent_app_number] => 16/599442 [patent_app_country] => US [patent_app_date] => 2019-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4292 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 294 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16599442 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/599442
Uncoupled LAA device Oct 10, 2019 Issued
Array ( [id] => 15450703 [patent_doc_number] => 20200038175 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-06 [patent_title] => Systems and methods for intra-ocular lens advancement [patent_app_type] => utility [patent_app_number] => 16/595956 [patent_app_country] => US [patent_app_date] => 2019-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5879 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16595956 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/595956
Systems and methods for intra-ocular lens advancement Oct 7, 2019 Issued
Array ( [id] => 17539732 [patent_doc_number] => 11304834 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-19 [patent_title] => Retractor device for transforming a retrieval device from a deployed position to a delivery position [patent_app_type] => utility [patent_app_number] => 16/580415 [patent_app_country] => US [patent_app_date] => 2019-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 21 [patent_no_of_words] => 8410 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16580415 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/580415
Retractor device for transforming a retrieval device from a deployed position to a delivery position Sep 23, 2019 Issued
Array ( [id] => 20106805 [patent_doc_number] => 12357503 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Ophthalmic surgical instrument [patent_app_type] => utility [patent_app_number] => 17/276224 [patent_app_country] => US [patent_app_date] => 2019-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [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] => 17276224 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/276224
Ophthalmic surgical instrument Sep 18, 2019 Issued
Array ( [id] => 15290243 [patent_doc_number] => 20190388257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-26 [patent_title] => FLOATING GASTROINTESTINAL ANCHOR [patent_app_type] => utility [patent_app_number] => 16/564923 [patent_app_country] => US [patent_app_date] => 2019-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11389 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16564923 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/564923
FLOATING GASTROINTESTINAL ANCHOR Sep 8, 2019 Abandoned
Array ( [id] => 15263939 [patent_doc_number] => 20190380703 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-19 [patent_title] => TISSUE FIXATION SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 16/551471 [patent_app_country] => US [patent_app_date] => 2019-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9421 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 16551471 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/551471
Tissue fixation system and method Aug 25, 2019 Issued
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