Search

Cai Y. Chen

Examiner (ID: 16998, Phone: (571)270-5679 , Office: P/2425 )

Most Active Art Unit
2425
Art Unit(s)
2425
Total Applications
1010
Issued Applications
760
Pending Applications
50
Abandoned Applications
221

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17322347 [patent_doc_number] => 11213332 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-04 [patent_title] => Bone fixation element [patent_app_type] => utility [patent_app_number] => 16/572754 [patent_app_country] => US [patent_app_date] => 2019-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 6211 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16572754 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/572754
Bone fixation element Sep 16, 2019 Issued
Array ( [id] => 17695663 [patent_doc_number] => 11369362 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-06-28 [patent_title] => Fibrocartilage suturing device [patent_app_type] => utility [patent_app_number] => 16/568534 [patent_app_country] => US [patent_app_date] => 2019-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 3158 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 213 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16568534 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/568534
Fibrocartilage suturing device Sep 11, 2019 Issued
Array ( [id] => 17821235 [patent_doc_number] => 11426154 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [patent_title] => Orthopedic stabilization device, kit, and method [patent_app_type] => utility [patent_app_number] => 16/567983 [patent_app_country] => US [patent_app_date] => 2019-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 26 [patent_no_of_words] => 5824 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16567983 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/567983
Orthopedic stabilization device, kit, and method Sep 10, 2019 Issued
Array ( [id] => 17118626 [patent_doc_number] => 11129733 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-28 [patent_title] => Hip arthroplasty trial systems and associated medical devices, methods, and kits [patent_app_type] => utility [patent_app_number] => 16/565890 [patent_app_country] => US [patent_app_date] => 2019-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 58 [patent_figures_cnt] => 135 [patent_no_of_words] => 17551 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 16565890 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/565890
Hip arthroplasty trial systems and associated medical devices, methods, and kits Sep 9, 2019 Issued
Array ( [id] => 15796375 [patent_doc_number] => 20200121330 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => Osteotomy Surgical Instrument [patent_app_type] => utility [patent_app_number] => 16/559651 [patent_app_country] => US [patent_app_date] => 2019-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1443 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16559651 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/559651
Osteotomy surgical instrument Sep 3, 2019 Issued
Array ( [id] => 17936766 [patent_doc_number] => 11471198 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Implant driver [patent_app_type] => utility [patent_app_number] => 16/557148 [patent_app_country] => US [patent_app_date] => 2019-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 7405 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16557148 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/557148
Implant driver Aug 29, 2019 Issued
Array ( [id] => 17741152 [patent_doc_number] => 11389193 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-19 [patent_title] => Surgical access device with fascial closure system [patent_app_type] => utility [patent_app_number] => 16/550470 [patent_app_country] => US [patent_app_date] => 2019-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 5069 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16550470 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/550470
Surgical access device with fascial closure system Aug 25, 2019 Issued
Array ( [id] => 16655664 [patent_doc_number] => 20210052300 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-25 [patent_title] => CANNULA AND OBTURATOR SYSTEM [patent_app_type] => utility [patent_app_number] => 16/550163 [patent_app_country] => US [patent_app_date] => 2019-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1648 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16550163 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/550163
CANNULA AND OBTURATOR SYSTEM Aug 22, 2019 Abandoned
Array ( [id] => 17633717 [patent_doc_number] => 11344421 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-31 [patent_title] => Methods and instrumentation for balancing of ligaments in flexion [patent_app_type] => utility [patent_app_number] => 16/539574 [patent_app_country] => US [patent_app_date] => 2019-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 23 [patent_no_of_words] => 10089 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16539574 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/539574
Methods and instrumentation for balancing of ligaments in flexion Aug 12, 2019 Issued
Array ( [id] => 16611926 [patent_doc_number] => 20210030579 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => ARTHRITIS CORRECTION AND FIXATION DEVICE [patent_app_type] => utility [patent_app_number] => 16/526512 [patent_app_country] => US [patent_app_date] => 2019-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2967 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16526512 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/526512
ARTHRITIS CORRECTION AND FIXATION DEVICE Jul 29, 2019 Abandoned
Array ( [id] => 18259586 [patent_doc_number] => 11607270 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-03-21 [patent_title] => Methods and templates for shaping patient-specific anatomical-fixation implants [patent_app_type] => utility [patent_app_number] => 16/515640 [patent_app_country] => US [patent_app_date] => 2019-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 15464 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16515640 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/515640
Methods and templates for shaping patient-specific anatomical-fixation implants Jul 17, 2019 Issued
Array ( [id] => 15082663 [patent_doc_number] => 20190336142 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-07 [patent_title] => TISSUE COLLECTION AND DELIVERY DEVICE AND METHODS OF USE THEREOF [patent_app_type] => utility [patent_app_number] => 16/511603 [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] => 5881 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16511603 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/511603
Tissue collection and delivery device and methods of use thereof Jul 14, 2019 Issued
Array ( [id] => 15320319 [patent_doc_number] => 20200000489 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-02 [patent_title] => SYSTEMS AND RELATED METHODS FOR TISSUE TREATMENT [patent_app_type] => utility [patent_app_number] => 16/452851 [patent_app_country] => US [patent_app_date] => 2019-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7907 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16452851 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/452851
Systems and related methods for tissue treatment Jun 25, 2019 Issued
Array ( [id] => 17034715 [patent_doc_number] => 20210251673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => A TOOL SYSTEM FOR REMOVING PROSTHETIC CEMENT FROM A BONE OF A PATIENT UNDERGOING A JOINT PROSTHESIS REPLACEMENT OPERATION [patent_app_type] => utility [patent_app_number] => 16/973466 [patent_app_country] => US [patent_app_date] => 2019-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4659 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 16973466 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/973466
Tool system for removing prosthetic cement from a bone of a patient undergoing a joint prosthesis replacement operation Jun 24, 2019 Issued
Array ( [id] => 17755413 [patent_doc_number] => 11395691 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-07-26 [patent_title] => Alignment guide apparatus, methods and systems [patent_app_type] => utility [patent_app_number] => 16/450505 [patent_app_country] => US [patent_app_date] => 2019-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 24 [patent_no_of_words] => 5930 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16450505 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/450505
Alignment guide apparatus, methods and systems Jun 23, 2019 Issued
Array ( [id] => 15585425 [patent_doc_number] => 20200069247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-05 [patent_title] => DEVICES, SYSTEMS AND METHODS FOR USING AND MONITORING SPINAL IMPLANTS [patent_app_type] => utility [patent_app_number] => 16/447766 [patent_app_country] => US [patent_app_date] => 2019-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22309 [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] => 16447766 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/447766
DEVICES, SYSTEMS AND METHODS FOR USING AND MONITORING SPINAL IMPLANTS Jun 19, 2019 Abandoned
Array ( [id] => 18200929 [patent_doc_number] => 11583297 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-02-21 [patent_title] => Multifunctional spacer for knee surgery to achieve balanced resection [patent_app_type] => utility [patent_app_number] => 16/442950 [patent_app_country] => US [patent_app_date] => 2019-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 6852 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16442950 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/442950
Multifunctional spacer for knee surgery to achieve balanced resection Jun 16, 2019 Issued
Array ( [id] => 17362462 [patent_doc_number] => 11229468 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-25 [patent_title] => Mixing syringe and method of use [patent_app_type] => utility [patent_app_number] => 16/437389 [patent_app_country] => US [patent_app_date] => 2019-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 3342 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 401 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16437389 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/437389
Mixing syringe and method of use Jun 10, 2019 Issued
Array ( [id] => 14960029 [patent_doc_number] => 20190307492 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-10 [patent_title] => INSTRUMENTS AND METHODS FOR MANIPULATING VERTEBRA [patent_app_type] => utility [patent_app_number] => 16/436471 [patent_app_country] => US [patent_app_date] => 2019-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7766 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16436471 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/436471
Instruments and methods for manipulating vertebra Jun 9, 2019 Issued
Array ( [id] => 18411841 [patent_doc_number] => 11666367 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-06 [patent_title] => Guidance apparatus for implantation into bone and related methods of use [patent_app_type] => utility [patent_app_number] => 16/427262 [patent_app_country] => US [patent_app_date] => 2019-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 25 [patent_no_of_words] => 7896 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [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] => 16427262 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/427262
Guidance apparatus for implantation into bone and related methods of use May 29, 2019 Issued
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