Search

Weihua Fan

Examiner (ID: 15768, Phone: (571)270-0398 , Office: P/1663 )

Most Active Art Unit
1663
Art Unit(s)
1663
Total Applications
720
Issued Applications
522
Pending Applications
93
Abandoned Applications
122

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18988772 [patent_doc_number] => 20240060741 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => SUB-MASS PROJECTILE FOR A FIREARM [patent_app_type] => utility [patent_app_number] => 18/382515 [patent_app_country] => US [patent_app_date] => 2023-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7346 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18382515 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/382515
Sub-mass projectile for a firearm Oct 21, 2023 Issued
Array ( [id] => 19898561 [patent_doc_number] => 12276475 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-15 [patent_title] => Toy gun and gas cylinder piercing structure thereof [patent_app_type] => utility [patent_app_number] => 18/382373 [patent_app_country] => US [patent_app_date] => 2023-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 0 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18382373 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/382373
Toy gun and gas cylinder piercing structure thereof Oct 19, 2023 Issued
Array ( [id] => 19346303 [patent_doc_number] => 20240255266 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => Projectile [patent_app_type] => utility [patent_app_number] => 18/486216 [patent_app_country] => US [patent_app_date] => 2023-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2023 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 11 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18486216 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/486216
Projectile Oct 12, 2023 Abandoned
Array ( [id] => 18956289 [patent_doc_number] => 20240044616 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => INTENSITY ADAPTING OPTICAL AIMING RETICLE [patent_app_type] => utility [patent_app_number] => 18/379511 [patent_app_country] => US [patent_app_date] => 2023-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4430 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18379511 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/379511
INTENSITY ADAPTING OPTICAL AIMING RETICLE Oct 11, 2023 Abandoned
Array ( [id] => 19800065 [patent_doc_number] => 20250065990 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-27 [patent_title] => Auto balancing hydrofoil watercraft [patent_app_type] => utility [patent_app_number] => 18/483511 [patent_app_country] => US [patent_app_date] => 2023-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1951 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 18483511 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/483511
Auto balancing hydrofoil watercraft Oct 8, 2023 Pending
Array ( [id] => 19762942 [patent_doc_number] => 12221214 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-11 [patent_title] => Drone-based payload management [patent_app_type] => utility [patent_app_number] => 18/465874 [patent_app_country] => US [patent_app_date] => 2023-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 10343 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18465874 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/465874
Drone-based payload management Sep 11, 2023 Issued
Array ( [id] => 19050493 [patent_doc_number] => 20240092462 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-21 [patent_title] => PONTOON BOAT WITH TUNING PLATES [patent_app_type] => utility [patent_app_number] => 18/465640 [patent_app_country] => US [patent_app_date] => 2023-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4751 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18465640 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/465640
PONTOON BOAT WITH TUNING PLATES Sep 11, 2023 Pending
Array ( [id] => 19035330 [patent_doc_number] => 20240085145 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => FOLDABLE BREAK BARREL AIRGUN [patent_app_type] => utility [patent_app_number] => 18/463602 [patent_app_country] => US [patent_app_date] => 2023-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3568 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18463602 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/463602
Foldable break barrel airgun Sep 7, 2023 Issued
Array ( [id] => 20432826 [patent_doc_number] => 12502843 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-23 [patent_title] => Manufacturing of polyethylene thin films for high-altitude balloons [patent_app_type] => utility [patent_app_number] => 18/460500 [patent_app_country] => US [patent_app_date] => 2023-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 19 [patent_no_of_words] => 1236 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [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] => 18460500 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/460500
Manufacturing of polyethylene thin films for high-altitude balloons Aug 31, 2023 Issued
Array ( [id] => 18861465 [patent_doc_number] => 20230415900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-28 [patent_title] => HUMIDIFICATION SYSTEM FOR AIRCRAFT [patent_app_type] => utility [patent_app_number] => 18/240107 [patent_app_country] => US [patent_app_date] => 2023-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5258 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18240107 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/240107
Humidification system for aircraft Aug 29, 2023 Issued
Array ( [id] => 19910972 [patent_doc_number] => 12287178 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-29 [patent_title] => Mounts for optical sighting devices [patent_app_type] => utility [patent_app_number] => 18/234919 [patent_app_country] => US [patent_app_date] => 2023-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 2231 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18234919 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/234919
Mounts for optical sighting devices Aug 16, 2023 Issued
Array ( [id] => 18817135 [patent_doc_number] => 20230391475 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-07 [patent_title] => Rotational Technologies for Space Infrastructure [patent_app_type] => utility [patent_app_number] => 18/233820 [patent_app_country] => US [patent_app_date] => 2023-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4025 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 18233820 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/233820
Rotational Technologies for Space Infrastructure Aug 13, 2023 Abandoned
Array ( [id] => 20472738 [patent_doc_number] => 20260014957 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-15 [patent_title] => GAS GENERATOR [patent_app_type] => utility [patent_app_number] => 19/106104 [patent_app_country] => US [patent_app_date] => 2023-08-07 [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] => -3 [patent_words_short_claim] => 350 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19106104 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/106104
GAS GENERATOR Aug 6, 2023 Pending
Array ( [id] => 18825095 [patent_doc_number] => 11840363 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-12-12 [patent_title] => Drones that save people from drowning [patent_app_type] => utility [patent_app_number] => 18/230050 [patent_app_country] => US [patent_app_date] => 2023-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 21 [patent_no_of_words] => 10467 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18230050 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/230050
Drones that save people from drowning Aug 2, 2023 Issued
Array ( [id] => 19004698 [patent_doc_number] => 20240068769 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-29 [patent_title] => HANDGUN BRACE [patent_app_type] => utility [patent_app_number] => 18/228295 [patent_app_country] => US [patent_app_date] => 2023-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10793 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18228295 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/228295
Handgun brace Jul 30, 2023 Issued
Array ( [id] => 20459145 [patent_doc_number] => 20260008567 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-08 [patent_title] => REUSABLE ORBITAL VEHICLE COMPRISING A CREW-EVACUATION VEHICLE FOR FORWARD EXTRACTION [patent_app_type] => utility [patent_app_number] => 18/993473 [patent_app_country] => US [patent_app_date] => 2023-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1190 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18993473 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/993473
REUSABLE ORBITAL VEHICLE COMPRISING A CREW-EVACUATION VEHICLE FOR FORWARD EXTRACTION Jul 11, 2023 Pending
Array ( [id] => 18748112 [patent_doc_number] => 11807406 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-11-07 [patent_title] => Drones that save people trapped in avalanches [patent_app_type] => utility [patent_app_number] => 18/219688 [patent_app_country] => US [patent_app_date] => 2023-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 14003 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18219688 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/219688
Drones that save people trapped in avalanches Jul 8, 2023 Issued
Array ( [id] => 18880284 [patent_doc_number] => 20240003653 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-01-04 [patent_title] => MULTI-SHOT AIRGUN [patent_app_type] => utility [patent_app_number] => 18/216467 [patent_app_country] => US [patent_app_date] => 2023-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7606 [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] => 18216467 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/216467
Multi-shot airgun Jun 28, 2023 Issued
Array ( [id] => 18740681 [patent_doc_number] => 20230349658 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => FIREARM RECEIVER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/214493 [patent_app_country] => US [patent_app_date] => 2023-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5812 [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] => 18214493 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/214493
Firearm receiver assembly Jun 25, 2023 Issued
Array ( [id] => 19141751 [patent_doc_number] => 20240140569 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => Marine Organism Antifouling Apparatus for Ships Using UV-C Module [patent_app_type] => utility [patent_app_number] => 18/207951 [patent_app_country] => US [patent_app_date] => 2023-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4298 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18207951 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/207951
Marine Organism Antifouling Apparatus for Ships Using UV-C Module Jun 8, 2023 Pending
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