Search

Cai Y. Chen

Examiner (ID: 3920, Phone: (571)270-5679 , Office: P/2425 )

Most Active Art Unit
2425
Art Unit(s)
2425
Total Applications
1009
Issued Applications
760
Pending Applications
50
Abandoned Applications
220

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19832893 [patent_doc_number] => 20250084679 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => DOOR CHECK [patent_app_type] => utility [patent_app_number] => 18/885204 [patent_app_country] => US [patent_app_date] => 2024-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5935 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 18885204 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/885204
DOOR CHECK Sep 12, 2024 Pending
Array ( [id] => 20584779 [patent_doc_number] => 20260070370 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-12 [patent_title] => Multi-Bearing Caster Wheel [patent_app_type] => utility [patent_app_number] => 18/826284 [patent_app_country] => US [patent_app_date] => 2024-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18826284 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/826284
Multi-Bearing Caster Wheel Sep 5, 2024 Abandoned
Array ( [id] => 20420750 [patent_doc_number] => 20250382835 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-18 [patent_title] => TORQUE MODULE FOR HINGE DEVICE [patent_app_type] => utility [patent_app_number] => 18/816555 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 0 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 335 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18816555 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/816555
TORQUE MODULE FOR HINGE DEVICE Aug 26, 2024 Pending
Array ( [id] => 20059989 [patent_doc_number] => 20250198211 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-06-19 [patent_title] => MODULAR HOLD-OPEN DEVICE FOR DOOR CLOSERS [patent_app_type] => utility [patent_app_number] => 18/816950 [patent_app_country] => US [patent_app_date] => 2024-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8097 [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] => 18816950 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/816950
MODULAR HOLD-OPEN DEVICE FOR DOOR CLOSERS Aug 26, 2024 Pending
Array ( [id] => 19801174 [patent_doc_number] => 20250067099 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => LUBRICATING CARTRIDGE [patent_app_type] => utility [patent_app_number] => 18/815780 [patent_app_country] => US [patent_app_date] => 2024-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10884 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18815780 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/815780
LUBRICATING CARTRIDGE Aug 25, 2024 Pending
Array ( [id] => 19801183 [patent_doc_number] => 20250067108 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => PLASTIC SPRING FOR DETACHABLE SLIDING DOORS [patent_app_type] => utility [patent_app_number] => 18/813914 [patent_app_country] => US [patent_app_date] => 2024-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2257 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18813914 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/813914
PLASTIC SPRING FOR DETACHABLE SLIDING DOORS Aug 22, 2024 Pending
Array ( [id] => 19848404 [patent_doc_number] => 20250093755 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-20 [patent_title] => ADJUSTABLE DAMPED HINGE MECHANISM [patent_app_type] => utility [patent_app_number] => 18/814241 [patent_app_country] => US [patent_app_date] => 2024-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9445 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18814241 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/814241
ADJUSTABLE DAMPED HINGE MECHANISM Aug 22, 2024 Pending
Array ( [id] => 20173447 [patent_doc_number] => 12392181 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-19 [patent_title] => Hinge, in particular for refrigerator doors [patent_app_type] => utility [patent_app_number] => 18/810685 [patent_app_country] => US [patent_app_date] => 2024-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 1167 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [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] => 18810685 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/810685
Hinge, in particular for refrigerator doors Aug 20, 2024 Issued
Array ( [id] => 19801181 [patent_doc_number] => 20250067106 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => DAMPER DEVICE [patent_app_type] => utility [patent_app_number] => 18/805562 [patent_app_country] => US [patent_app_date] => 2024-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8219 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 303 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18805562 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/805562
Damper device Aug 14, 2024 Issued
Array ( [id] => 19960974 [patent_doc_number] => 12330450 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-06-17 [patent_title] => Portable detachable pulley [patent_app_type] => utility [patent_app_number] => 18/806457 [patent_app_country] => US [patent_app_date] => 2024-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 0 [patent_no_of_claims] => 16 [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] => 18806457 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/806457
Portable detachable pulley Aug 14, 2024 Issued
Array ( [id] => 20221392 [patent_doc_number] => 20250284323 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-11 [patent_title] => SYNCHRONIZATION MECHANISM AND FOLDING HINGE [patent_app_type] => utility [patent_app_number] => 18/796623 [patent_app_country] => US [patent_app_date] => 2024-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2510 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18796623 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/796623
SYNCHRONIZATION MECHANISM AND FOLDING HINGE Aug 6, 2024 Pending
Array ( [id] => 19744844 [patent_doc_number] => 20250033409 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => CASTOR BRAKE FOR DOUBLE SWIVEL CASTORS FOR CASES [patent_app_type] => utility [patent_app_number] => 18/773699 [patent_app_country] => US [patent_app_date] => 2024-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4392 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18773699 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/773699
CASTOR BRAKE FOR DOUBLE SWIVEL CASTORS FOR CASES Jul 15, 2024 Pending
Array ( [id] => 19709871 [patent_doc_number] => 20250020013 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => HINGE DAMPING MOUNTING STRUCTURE [patent_app_type] => utility [patent_app_number] => 18/769337 [patent_app_country] => US [patent_app_date] => 2024-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2885 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 321 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18769337 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/769337
HINGE DAMPING MOUNTING STRUCTURE Jul 9, 2024 Pending
Array ( [id] => 19558272 [patent_doc_number] => 20240370064 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-07 [patent_title] => TORQUE MODULE, ROTATING SHAFT ASSEMBLY, AND ELECTRONIC DEVICE [patent_app_type] => utility [patent_app_number] => 18/759761 [patent_app_country] => US [patent_app_date] => 2024-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18279 [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] => 18759761 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/759761
TORQUE MODULE, ROTATING SHAFT ASSEMBLY, AND ELECTRONIC DEVICE Jun 27, 2024 Pending
Array ( [id] => 19659090 [patent_doc_number] => 20240426155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => Dashpot for damping a closing movement of a hinged closure member [patent_app_type] => utility [patent_app_number] => 18/748755 [patent_app_country] => US [patent_app_date] => 2024-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10049 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 275 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18748755 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/748755
Dashpot for damping a closing movement of a hinged closure member Jun 19, 2024 Pending
Array ( [id] => 19659001 [patent_doc_number] => 20240426066 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => CONSTRUCTION TOOL HANDLE [patent_app_type] => utility [patent_app_number] => 18/748922 [patent_app_country] => US [patent_app_date] => 2024-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5773 [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] => 18748922 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/748922
CONSTRUCTION TOOL HANDLE Jun 19, 2024 Pending
Array ( [id] => 19498123 [patent_doc_number] => 20240337141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => FITTING FOR MOVABLY MOUNTING A PIVOTING ELEMENT [patent_app_type] => utility [patent_app_number] => 18/748970 [patent_app_country] => US [patent_app_date] => 2024-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2399 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18748970 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/748970
FITTING FOR MOVABLY MOUNTING A PIVOTING ELEMENT Jun 19, 2024 Pending
Array ( [id] => 19643499 [patent_doc_number] => 20240418019 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => Door Block [patent_app_type] => utility [patent_app_number] => 18/741724 [patent_app_country] => US [patent_app_date] => 2024-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3552 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18741724 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/741724
Door block Jun 11, 2024 Issued
Array ( [id] => 19480185 [patent_doc_number] => 20240328227 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => HINGE [patent_app_type] => utility [patent_app_number] => 18/739952 [patent_app_country] => US [patent_app_date] => 2024-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5355 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18739952 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/739952
HINGE Jun 10, 2024 Pending
Array ( [id] => 20480784 [patent_doc_number] => 12529256 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-20 [patent_title] => Damper for a fitting for movably mounting a pivoting element or a pull-out element [patent_app_type] => utility [patent_app_number] => 18/734689 [patent_app_country] => US [patent_app_date] => 2024-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 16 [patent_no_of_words] => 0 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 6 [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] => 18734689 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/734689
Damper for a fitting for movably mounting a pivoting element or a pull-out element Jun 4, 2024 Issued
Menu