Search

Ko Hung Chan

Examiner (ID: 10556, Phone: (571)272-6816 , Office: P/3631 )

Most Active Art Unit
3631
Art Unit(s)
3637, 3632, 3631, 3505, 2899
Total Applications
2377
Issued Applications
1621
Pending Applications
115
Abandoned Applications
659

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20379437 [patent_doc_number] => 20250361930 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => INTEGRATED DIFFERENTIAL LOCK SYSTEM [patent_app_type] => utility [patent_app_number] => 19/179819 [patent_app_country] => US [patent_app_date] => 2025-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8822 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 49 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19179819 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/179819
INTEGRATED DIFFERENTIAL LOCK SYSTEM Apr 14, 2025 Pending
Array ( [id] => 20517185 [patent_doc_number] => 20260041288 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-12 [patent_title] => WIPE DISPENSER [patent_app_type] => utility [patent_app_number] => 19/070265 [patent_app_country] => US [patent_app_date] => 2025-03-04 [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] => -4 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19070265 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/070265
WIPE DISPENSER Mar 3, 2025 Pending
Array ( [id] => 20033036 [patent_doc_number] => 20250171258 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-29 [patent_title] => SHEET CONVEYANCE APPARATUS, IMAGE READING APPARATUS, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/954342 [patent_app_country] => US [patent_app_date] => 2024-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5746 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18954342 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/954342
SHEET CONVEYANCE APPARATUS, IMAGE READING APPARATUS, AND IMAGE FORMING APPARATUS Nov 19, 2024 Pending
Array ( [id] => 20179298 [patent_doc_number] => 20250263256 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => MEDIUM CONVEYING DEVICE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/783600 [patent_app_country] => US [patent_app_date] => 2024-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2105 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18783600 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/783600
MEDIUM CONVEYING DEVICE AND IMAGE FORMING APPARATUS Jul 24, 2024 Pending
Array ( [id] => 19683744 [patent_doc_number] => 20250002289 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM [patent_app_type] => utility [patent_app_number] => 18/749853 [patent_app_country] => US [patent_app_date] => 2024-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21742 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 404 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18749853 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/749853
SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM Jun 20, 2024 Pending
Array ( [id] => 20466427 [patent_doc_number] => 12522459 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-13 [patent_title] => Sheet conveying apparatus and image forming apparatus [patent_app_type] => utility [patent_app_number] => 18/743222 [patent_app_country] => US [patent_app_date] => 2024-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 1068 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 360 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18743222 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/743222
Sheet conveying apparatus and image forming apparatus Jun 13, 2024 Issued
Array ( [id] => 20408105 [patent_doc_number] => 20250377214 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-11 [patent_title] => AUTOMATED LOW VELOCITY VEHICLE PATH PLANNING [patent_app_type] => utility [patent_app_number] => 18/735692 [patent_app_country] => US [patent_app_date] => 2024-06-06 [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] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18735692 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/735692
AUTOMATED LOW VELOCITY VEHICLE PATH PLANNING Jun 5, 2024 Pending
Array ( [id] => 19463825 [patent_doc_number] => 20240317494 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-26 [patent_title] => CONTAINER-HANDLING VEHICLE [patent_app_type] => utility [patent_app_number] => 18/680528 [patent_app_country] => US [patent_app_date] => 2024-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9633 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18680528 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/680528
Container-handling vehicle May 30, 2024 Issued
Array ( [id] => 19586150 [patent_doc_number] => 20240383707 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-21 [patent_title] => PAPER TRANSPORT APPARATUS FOR TRANSPORTING PAPER AND IMAGE FORMING APPARATUS INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/662031 [patent_app_country] => US [patent_app_date] => 2024-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6703 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 550 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18662031 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/662031
Paper transport apparatus for transporting paper and image forming apparatus including the same May 12, 2024 Issued
Array ( [id] => 20664641 [patent_doc_number] => 12606403 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-04-21 [patent_title] => Conveyance device that conveys sheets with different specifications [patent_app_type] => utility [patent_app_number] => 18/638852 [patent_app_country] => US [patent_app_date] => 2024-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 0 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18638852 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/638852
Conveyance device that conveys sheets with different specifications Apr 17, 2024 Issued
Array ( [id] => 19479112 [patent_doc_number] => 20240327154 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => PRINTING DEVICE [patent_app_type] => utility [patent_app_number] => 18/617403 [patent_app_country] => US [patent_app_date] => 2024-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7134 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18617403 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/617403
PRINTING DEVICE Mar 25, 2024 Pending
Array ( [id] => 19448666 [patent_doc_number] => 20240308796 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-09-19 [patent_title] => BYPASS FEEDER AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/597681 [patent_app_country] => US [patent_app_date] => 2024-03-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11833 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18597681 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/597681
Bypass feeder and image forming apparatus Mar 5, 2024 Issued
Array ( [id] => 19233134 [patent_doc_number] => 20240190326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-13 [patent_title] => Ramp Assembly [patent_app_type] => utility [patent_app_number] => 18/444008 [patent_app_country] => US [patent_app_date] => 2024-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4981 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18444008 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/444008
Ramp assembly Feb 15, 2024 Issued
Array ( [id] => 19265052 [patent_doc_number] => 20240208751 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => MEDIUM CONVEYING APPARATUS [patent_app_type] => utility [patent_app_number] => 18/436348 [patent_app_country] => US [patent_app_date] => 2024-02-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15674 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18436348 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/436348
MEDIUM CONVEYING APPARATUS Feb 7, 2024 Pending
Array ( [id] => 19360610 [patent_doc_number] => 20240262644 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => MEDIUM PLACEMENT UNIT, TRANSPORT DEVICE, AND PRINTING DEVICE [patent_app_type] => utility [patent_app_number] => 18/429770 [patent_app_country] => US [patent_app_date] => 2024-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18647 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18429770 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/429770
MEDIUM PLACEMENT UNIT, TRANSPORT DEVICE, AND PRINTING DEVICE Jan 31, 2024 Pending
Array ( [id] => 19785116 [patent_doc_number] => 20250058795 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-20 [patent_title] => METHODS AND SYSTEMS FOR MANAGING OUTPUT DEVICES IN A VEHICLE BASED ON PROXEMIC RISK [patent_app_type] => utility [patent_app_number] => 18/235534 [patent_app_country] => US [patent_app_date] => 2023-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 24575 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18235534 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235534
METHODS AND SYSTEMS FOR MANAGING OUTPUT DEVICES IN A VEHICLE BASED ON PROXEMIC RISK Aug 17, 2023 Pending
Array ( [id] => 19001079 [patent_doc_number] => 20240065150 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => Adjustable Joint for Example for a Grain Unloading System of a Combine Harvester [patent_app_type] => utility [patent_app_number] => 18/354112 [patent_app_country] => US [patent_app_date] => 2023-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5141 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18354112 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/354112
Adjustable Joint for Example for a Grain Unloading System of a Combine Harvester Jul 17, 2023 Pending
Array ( [id] => 19342746 [patent_doc_number] => 20240251709 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => LAWN MOWER [patent_app_type] => utility [patent_app_number] => 18/160611 [patent_app_country] => US [patent_app_date] => 2023-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4405 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18160611 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/160611
LAWN MOWER Jan 26, 2023 Pending
Array ( [id] => 19215351 [patent_doc_number] => 20240180055 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => SENSOR SUPPORT ASSEMBLY FOR AN AGRICULTURAL IMPLEMENT [patent_app_type] => utility [patent_app_number] => 18/073199 [patent_app_country] => US [patent_app_date] => 2022-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5046 [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] => 18073199 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/073199
SENSOR SUPPORT ASSEMBLY FOR AN AGRICULTURAL IMPLEMENT Nov 30, 2022 Pending
Array ( [id] => 20829139 [patent_doc_number] => 12682716 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-07-14 [patent_title] => Stir stick dispenser for a beverage vending machine and method for dispensing stir sticks [patent_app_type] => utility [patent_app_number] => 18/701646 [patent_app_country] => US [patent_app_date] => 2022-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18701646 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/701646
STIR STICK DISPENSER FOR A BEVERAGE VENDING MACHINE AND METHOD FOR DISPENSING STIR STICKS Oct 19, 2022 Pending
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