Search

Karen Cheng

Examiner (ID: 7384, Phone: (571)270-7381 , Office: P/1626 )

Most Active Art Unit
1626
Art Unit(s)
1623, 1622, 1621, 1626
Total Applications
999
Issued Applications
709
Pending Applications
86
Abandoned Applications
234

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20569326 [patent_doc_number] => 20260063248 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-05 [patent_title] => HYDROGEN FILLING APPARATUS [patent_app_type] => utility [patent_app_number] => 19/098242 [patent_app_country] => US [patent_app_date] => 2025-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1761 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [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] => 19098242 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/098242
HYDROGEN FILLING APPARATUS Apr 1, 2025 Pending
Array ( [id] => 20231645 [patent_doc_number] => 20250288964 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-09-18 [patent_title] => ELECTRICITY STORAGE DEVICE ELECTRODE SLURRY MANUFACTURING APPARATUS AND METHOD OF MANUFACTURING ELECTRICITY STORAGE DEVICE ELECTRODE SLURRY [patent_app_type] => utility [patent_app_number] => 19/073007 [patent_app_country] => US [patent_app_date] => 2025-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4759 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19073007 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/073007
ELECTRICITY STORAGE DEVICE ELECTRODE SLURRY MANUFACTURING APPARATUS AND METHOD OF MANUFACTURING ELECTRICITY STORAGE DEVICE ELECTRODE SLURRY Mar 6, 2025 Pending
Array ( [id] => 20562813 [patent_doc_number] => 12565413 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-03 [patent_title] => Systems and methods of liquid extraction from empty barrels [patent_app_type] => utility [patent_app_number] => 19/053898 [patent_app_country] => US [patent_app_date] => 2025-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5600 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19053898 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/053898
Systems and methods of liquid extraction from empty barrels Feb 13, 2025 Issued
18/993021 POT-FILLING ASSEMBLY Jan 9, 2025 Pending
Array ( [id] => 19986533 [patent_doc_number] => 20250124755 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => Automatic Product Dispenser [patent_app_type] => utility [patent_app_number] => 18/999178 [patent_app_country] => US [patent_app_date] => 2024-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4818 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18999178 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/999178
Automatic Product Dispenser Dec 22, 2024 Pending
Array ( [id] => 19877567 [patent_doc_number] => 20250109824 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => SYSTEMS AND METHODS FOR TRANSPORTING FUEL AND CARBON DIOXIDE IN A DUAL FLUID VESSEL [patent_app_type] => utility [patent_app_number] => 18/978409 [patent_app_country] => US [patent_app_date] => 2024-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17278 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18978409 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/978409
SYSTEMS AND METHODS FOR TRANSPORTING FUEL AND CARBON DIOXIDE IN A DUAL FLUID VESSEL Dec 11, 2024 Pending
Array ( [id] => 19875355 [patent_doc_number] => 20250107612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => APPARATUS FOR CONNECTED HAIR PIGMENT DISPENSER [patent_app_type] => utility [patent_app_number] => 18/978494 [patent_app_country] => US [patent_app_date] => 2024-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8992 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18978494 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/978494
APPARATUS FOR CONNECTED HAIR PIGMENT DISPENSER Dec 11, 2024 Pending
Array ( [id] => 20084482 [patent_doc_number] => 20250214418 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-03 [patent_title] => FUEL TRANSMISSION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/967782 [patent_app_country] => US [patent_app_date] => 2024-12-04 [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] => -7 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18967782 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/967782
FUEL TRANSMISSION SYSTEM Dec 3, 2024 Pending
Array ( [id] => 19817648 [patent_doc_number] => 20250075855 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => HYDROGEN GAS FILLING DEVICE [patent_app_type] => utility [patent_app_number] => 18/953615 [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] => 8299 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18953615 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/953615
HYDROGEN GAS FILLING DEVICE Nov 19, 2024 Pending
Array ( [id] => 20608143 [patent_doc_number] => 12583729 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-24 [patent_title] => Systems and methods of liquid extraction from empty barrels [patent_app_type] => utility [patent_app_number] => 18/944985 [patent_app_country] => US [patent_app_date] => 2024-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5600 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18944985 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/944985
Systems and methods of liquid extraction from empty barrels Nov 11, 2024 Issued
Array ( [id] => 19940110 [patent_doc_number] => 12312231 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Systems and methods of liquid extraction from empty barrels [patent_app_type] => utility [patent_app_number] => 18/945017 [patent_app_country] => US [patent_app_date] => 2024-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 5600 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18945017 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/945017
Systems and methods of liquid extraction from empty barrels Nov 11, 2024 Issued
Array ( [id] => 20025855 [patent_doc_number] => 20250164077 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-22 [patent_title] => SCALABLE GREENHOUSE GAS CAPTURE SYSTEMS AND METHODS [patent_app_type] => utility [patent_app_number] => 18/940952 [patent_app_country] => US [patent_app_date] => 2024-11-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 25074 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18940952 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/940952
SCALABLE GREENHOUSE GAS CAPTURE SYSTEMS AND METHODS Nov 7, 2024 Pending
Array ( [id] => 19744895 [patent_doc_number] => 20250033460 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => CAPLESS CLOSURE ASSEMBLY FOR FUEL-TANK FILLER PIPE [patent_app_type] => utility [patent_app_number] => 18/909699 [patent_app_country] => US [patent_app_date] => 2024-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3711 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18909699 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/909699
CAPLESS CLOSURE ASSEMBLY FOR FUEL-TANK FILLER PIPE Oct 7, 2024 Pending
Array ( [id] => 19746700 [patent_doc_number] => 20250035265 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => MODULAR AND PORTABLE COMPRESSED NATURAL GAS FUELING STATION [patent_app_type] => utility [patent_app_number] => 18/891029 [patent_app_country] => US [patent_app_date] => 2024-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7339 [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] => 18891029 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/891029
MODULAR AND PORTABLE COMPRESSED NATURAL GAS FUELING STATION Sep 19, 2024 Pending
Array ( [id] => 19876748 [patent_doc_number] => 20250109005 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-03 [patent_title] => MOLDED ONE-PIECE FUNNNEL WITH SUPPORT COLLAR [patent_app_type] => utility [patent_app_number] => 18/886728 [patent_app_country] => US [patent_app_date] => 2024-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3861 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18886728 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/886728
MOLDED ONE-PIECE FUNNNEL WITH SUPPORT COLLAR Sep 15, 2024 Pending
Array ( [id] => 19662366 [patent_doc_number] => 20240429431 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => BATTERY GRID FEEDER FOR A PASTING MACHINE [patent_app_type] => utility [patent_app_number] => 18/828013 [patent_app_country] => US [patent_app_date] => 2024-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6012 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18828013 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/828013
BATTERY GRID FEEDER FOR A PASTING MACHINE Sep 8, 2024 Pending
Array ( [id] => 20585183 [patent_doc_number] => 20260070774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-12 [patent_title] => MULTIPURPOSE VENTED FUNNEL [patent_app_type] => utility [patent_app_number] => 18/827735 [patent_app_country] => US [patent_app_date] => 2024-09-07 [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] => -1 [patent_words_short_claim] => 19 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18827735 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/827735
MULTIPURPOSE VENTED FUNNEL Sep 6, 2024 Pending
Array ( [id] => 19658276 [patent_doc_number] => 20240425341 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => CONTAINER FILLING SYSTEM AND VALVE FOR SAME [patent_app_type] => utility [patent_app_number] => 18/825394 [patent_app_country] => US [patent_app_date] => 2024-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22909 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18825394 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/825394
CONTAINER FILLING SYSTEM AND VALVE FOR SAME Sep 4, 2024 Pending
Array ( [id] => 20622488 [patent_doc_number] => 12589984 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-03-31 [patent_title] => Refrigerator having dispenser [patent_app_type] => utility [patent_app_number] => 18/809791 [patent_app_country] => US [patent_app_date] => 2024-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6971 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [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] => 18809791 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/809791
Refrigerator having dispenser Aug 19, 2024 Issued
Array ( [id] => 19754017 [patent_doc_number] => 20250042582 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => BOTTLE CONTENTS MERGING APPARATUS AND METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 18/792324 [patent_app_country] => US [patent_app_date] => 2024-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3534 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18792324 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/792324
BOTTLE CONTENTS MERGING APPARATUS AND METHOD THEREOF Jul 31, 2024 Pending
Menu