
Shawn X. Gu
Examiner (ID: 6023, Phone: (571)272-0703 , Office: P/2138 )
| Most Active Art Unit | 2138 |
| Art Unit(s) | 2138, 2189, 2188 |
| Total Applications | 1288 |
| Issued Applications | 1176 |
| Pending Applications | 48 |
| Abandoned Applications | 84 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 18450026
[patent_doc_number] => 20230191303
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-06-22
[patent_title] => FILTER SYSTEMS WITH FILTER BAG ASSEMBLIES INCLUDING FILTER BAGS WITH RADIAL SEAL GASKETS
[patent_app_type] => utility
[patent_app_number] => 18/085308
[patent_app_country] => US
[patent_app_date] => 2022-12-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 25151
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 208
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18085308
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/085308 | FILTER SYSTEMS WITH FILTER BAG ASSEMBLIES INCLUDING FILTER BAGS WITH RADIAL SEAL GASKETS | Dec 19, 2022 | Pending |
Array
(
[id] => 18611236
[patent_doc_number] => 20230277967
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-09-07
[patent_title] => AIR FILTER FOR HIGH-EFFICIENCY PM2.5 CAPTURE
[patent_app_type] => utility
[patent_app_number] => 18/069126
[patent_app_country] => US
[patent_app_date] => 2022-12-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 17406
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -32
[patent_words_short_claim] => 29
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18069126
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/069126 | AIR FILTER FOR HIGH-EFFICIENCY PM2.5 CAPTURE | Dec 19, 2022 | Pending |
Array
(
[id] => 18738347
[patent_doc_number] => 20230347263
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-11-02
[patent_title] => Oil Vacuum Stabilizer
[patent_app_type] => utility
[patent_app_number] => 18/063673
[patent_app_country] => US
[patent_app_date] => 2022-12-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2903
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -30
[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] => 18063673
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/063673 | Oil Vacuum Stabilizer | Dec 7, 2022 | Abandoned |
Array
(
[id] => 18434748
[patent_doc_number] => 20230182042
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-06-15
[patent_title] => DEVICE AND METHOD FOR SEPARATING GAS BUBBLES FROM A LIQUID FLOW
[patent_app_type] => utility
[patent_app_number] => 17/993198
[patent_app_country] => US
[patent_app_date] => 2022-11-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3006
[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] => 17993198
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/993198 | DEVICE AND METHOD FOR SEPARATING GAS BUBBLES FROM A LIQUID FLOW | Nov 22, 2022 | Pending |
Array
(
[id] => 18251270
[patent_doc_number] => 20230078309
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-03-16
[patent_title] => METHOD FOR DRYING SEPARATION MEMBRANE AND METHOD FOR PRODUCING SEPARATION MEMBRANE STRUCTURE
[patent_app_type] => utility
[patent_app_number] => 18/056806
[patent_app_country] => US
[patent_app_date] => 2022-11-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 6232
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -1
[patent_words_short_claim] => 117
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18056806
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/056806 | METHOD FOR DRYING SEPARATION MEMBRANE AND METHOD FOR PRODUCING SEPARATION MEMBRANE STRUCTURE | Nov 17, 2022 | Pending |
Array
(
[id] => 18404857
[patent_doc_number] => 20230166208
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-06-01
[patent_title] => SYSTEM COMPRISING A CONNECTOR FOR COUPLING TO A FLUID FILTER ELEMENT, FLUID FILTER ELEMENT, AND PROCESS FOR PRODUCING SAME
[patent_app_type] => utility
[patent_app_number] => 17/981840
[patent_app_country] => US
[patent_app_date] => 2022-11-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7901
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -21
[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] => 17981840
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/981840 | SYSTEM COMPRISING A CONNECTOR FOR COUPLING TO A FLUID FILTER ELEMENT, FLUID FILTER ELEMENT, AND PROCESS FOR PRODUCING SAME | Nov 6, 2022 | Pending |
Array
(
[id] => 18364078
[patent_doc_number] => 20230145669
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-05-11
[patent_title] => AIR FILTER ELEMENT AND METHOD FOR PRODUCING SAME
[patent_app_type] => utility
[patent_app_number] => 17/981888
[patent_app_country] => US
[patent_app_date] => 2022-11-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8224
[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] => 17981888
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/981888 | AIR FILTER ELEMENT AND METHOD FOR PRODUCING SAME | Nov 6, 2022 | Pending |
Array
(
[id] => 18346277
[patent_doc_number] => 20230134387
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-05-04
[patent_title] => DEVICE FOR REDUCING CONTAMINATION OF HEAT EXCHANGE FINS
[patent_app_type] => utility
[patent_app_number] => 18/051537
[patent_app_country] => US
[patent_app_date] => 2022-11-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2024
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 55
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18051537
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/051537 | DEVICE FOR REDUCING CONTAMINATION OF HEAT EXCHANGE FINS | Oct 31, 2022 | Pending |
Array
(
[id] => 19381936
[patent_doc_number] => 20240271806
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-15
[patent_title] => VOLCANO TYPE AROMATHERAPY HUMIDIFIER
[patent_app_type] => utility
[patent_app_number] => 18/564702
[patent_app_country] => US
[patent_app_date] => 2022-10-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3015
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -9
[patent_words_short_claim] => 166
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18564702
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/564702 | VOLCANO TYPE AROMATHERAPY HUMIDIFIER | Oct 19, 2022 | Pending |
Array
(
[id] => 20120782
[patent_doc_number] => 20250235813
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2025-07-24
[patent_title] => SYSTEMS AND PROCESSES FOR MAINTAINING CONTINUOUS CARBON DIOXIDE CAPTURE
[patent_app_type] => utility
[patent_app_number] => 18/697833
[patent_app_country] => US
[patent_app_date] => 2022-10-18
[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] => -9
[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] => 18697833
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/697833 | SYSTEMS AND PROCESSES FOR MAINTAINING CONTINUOUS CARBON DIOXIDE CAPTURE | Oct 17, 2022 | Pending |
Array
(
[id] => 18354228
[patent_doc_number] => 11642614
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2023-05-09
[patent_title] => Reusable activated carbon filter
[patent_app_type] => utility
[patent_app_number] => 17/964790
[patent_app_country] => US
[patent_app_date] => 2022-10-12
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 16
[patent_figures_cnt] => 16
[patent_no_of_words] => 4683
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 261
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17964790
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/964790 | Reusable activated carbon filter | Oct 11, 2022 | Issued |
Array
(
[id] => 18406240
[patent_doc_number] => 20230167591
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-06-01
[patent_title] => ELECTROSPUN NANOFIBROUS POLYMER MEMBRANE FOR USE IN AIR FILTRATION APPLICATIONS
[patent_app_type] => utility
[patent_app_number] => 17/937445
[patent_app_country] => US
[patent_app_date] => 2022-09-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7709
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 44
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17937445
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/937445 | ELECTROSPUN NANOFIBROUS POLYMER MEMBRANE FOR USE IN AIR FILTRATION APPLICATIONS | Sep 29, 2022 | Pending |
Array
(
[id] => 19359692
[patent_doc_number] => 20240261726
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-08
[patent_title] => CARBON DIOXIDE GAS SEPARATION/CONCENTRATION DEVICE CAPABLE OF FEEDING CONDITIONED AIR
[patent_app_type] => utility
[patent_app_number] => 18/561566
[patent_app_country] => US
[patent_app_date] => 2022-09-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 13920
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -11
[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] => 18561566
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/561566 | CARBON DIOXIDE GAS SEPARATION/CONCENTRATION DEVICE CAPABLE OF FEEDING CONDITIONED AIR | Sep 27, 2022 | Pending |
Array
(
[id] => 20437698
[patent_doc_number] => 12508522
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-12-30
[patent_title] => Deaeration tank
[patent_app_type] => utility
[patent_app_number] => 17/945288
[patent_app_country] => US
[patent_app_date] => 2022-09-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 26
[patent_figures_cnt] => 26
[patent_no_of_words] => 2198
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 257
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17945288
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/945288 | Deaeration tank | Sep 14, 2022 | Issued |
Array
(
[id] => 18107417
[patent_doc_number] => 20230000297
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-01-05
[patent_title] => VACUUM FILTER BAG WITH SILVER-IMPREGNATED LAYER FOR ANTIMICROBIAL ACTION
[patent_app_type] => utility
[patent_app_number] => 17/942151
[patent_app_country] => US
[patent_app_date] => 2022-09-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 3939
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 127
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17942151
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/942151 | VACUUM FILTER BAG WITH SILVER-IMPREGNATED LAYER FOR ANTIMICROBIAL ACTION | Sep 10, 2022 | Abandoned |
Array
(
[id] => 18239255
[patent_doc_number] => 20230071566
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-03-09
[patent_title] => Process Gas Treatment Device and Method for Treating Process Gas
[patent_app_type] => utility
[patent_app_number] => 17/940707
[patent_app_country] => US
[patent_app_date] => 2022-09-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9480
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -18
[patent_words_short_claim] => 283
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17940707
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/940707 | Process Gas Treatment Device and Method for Treating Process Gas | Sep 7, 2022 | Pending |
Array
(
[id] => 19570746
[patent_doc_number] => 20240375038
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-11-14
[patent_title] => METHOD OF REDUCING DIMETHYL ETHER FORMATION DURING A REGENERATION CYCLE
[patent_app_type] => utility
[patent_app_number] => 18/690420
[patent_app_country] => US
[patent_app_date] => 2022-09-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 9557
[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] => 18690420
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/690420 | METHOD OF REDUCING DIMETHYL ETHER FORMATION DURING A REGENERATION CYCLE | Sep 7, 2022 | Pending |
Array
(
[id] => 18269635
[patent_doc_number] => 20230090877
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-03-23
[patent_title] => MODULAR HIGH-EFFICIENCY PARTICULATE AIR FILTRATION SYSTEM FOR MAINTAINING NEGATIVE PRESSURE IN AN ISOLATED INDOOR SPACE
[patent_app_type] => utility
[patent_app_number] => 17/901910
[patent_app_country] => US
[patent_app_date] => 2022-09-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 8671
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -19
[patent_words_short_claim] => 179
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17901910
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/901910 | MODULAR HIGH-EFFICIENCY PARTICULATE AIR FILTRATION SYSTEM FOR MAINTAINING NEGATIVE PRESSURE IN AN ISOLATED INDOOR SPACE | Sep 1, 2022 | Abandoned |
Array
(
[id] => 18229602
[patent_doc_number] => 20230068596
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-03-02
[patent_title] => PORTABLE GAS WATER MAKER BASED ON PELTIER THERMOELECTRIC EFFECT, AND WATER-MAKING METHOD THEREOF
[patent_app_type] => utility
[patent_app_number] => 17/893204
[patent_app_country] => US
[patent_app_date] => 2022-08-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 2442
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -8
[patent_words_short_claim] => 390
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17893204
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/893204 | PORTABLE GAS WATER MAKER BASED ON PELTIER THERMOELECTRIC EFFECT, AND WATER-MAKING METHOD THEREOF | Aug 22, 2022 | Abandoned |
Array
(
[id] => 19527068
[patent_doc_number] => 20240350970
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-10-24
[patent_title] => SEPARATION FUNCTIONAL LAYER, SEPARATION MEMBRANE, AND METHOD FOR MANUFACTURING SEPARATION FUNCTIONAL LAYER
[patent_app_type] => utility
[patent_app_number] => 18/689376
[patent_app_country] => US
[patent_app_date] => 2022-08-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 16163
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -14
[patent_words_short_claim] => 26
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18689376
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/689376 | SEPARATION FUNCTIONAL LAYER, SEPARATION MEMBRANE, AND METHOD FOR MANUFACTURING SEPARATION FUNCTIONAL LAYER | Aug 21, 2022 | Pending |