Search

Khanh C. Tran

Examiner (ID: 637, Phone: (571)272-3007 , Office: P/2631 )

Most Active Art Unit
2631
Art Unit(s)
2631, 2611
Total Applications
2038
Issued Applications
1841
Pending Applications
77
Abandoned Applications
151

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20406664 [patent_doc_number] => 20250375773 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-11 [patent_title] => ELECTROSTATIC CHARGING DEVICE AND ASSEMBLY METHOD THEREOF [patent_app_type] => utility [patent_app_number] => 19/013443 [patent_app_country] => US [patent_app_date] => 2025-01-08 [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] => -12 [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] => 19013443 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/013443
ELECTROSTATIC CHARGING DEVICE AND ASSEMBLY METHOD THEREOF Jan 7, 2025 Pending
Array ( [id] => 19815430 [patent_doc_number] => 20250073637 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-06 [patent_title] => GREENHOUSE AIR HUMIDITY AND/OR TEMPERATURE CONTROL [patent_app_type] => utility [patent_app_number] => 18/798651 [patent_app_country] => US [patent_app_date] => 2024-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3764 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 18798651 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/798651
GREENHOUSE AIR HUMIDITY AND/OR TEMPERATURE CONTROL Aug 7, 2024 Issued
Array ( [id] => 19504085 [patent_doc_number] => 12115487 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-15 [patent_title] => Air ventilization system filter [patent_app_type] => utility [patent_app_number] => 18/745882 [patent_app_country] => US [patent_app_date] => 2024-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2685 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18745882 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/745882
Air ventilization system filter Jun 16, 2024 Issued
Array ( [id] => 19897078 [patent_doc_number] => 12274977 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-15 [patent_title] => Carbon dioxide removal systems using a geothermal heat source [patent_app_type] => utility [patent_app_number] => 18/731090 [patent_app_country] => US [patent_app_date] => 2024-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 10148 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18731090 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/731090
Carbon dioxide removal systems using a geothermal heat source May 30, 2024 Issued
Array ( [id] => 19472883 [patent_doc_number] => 12102950 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-10-01 [patent_title] => Foldable filter housing for air conditioning [patent_app_type] => utility [patent_app_number] => 18/671328 [patent_app_country] => US [patent_app_date] => 2024-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 21 [patent_no_of_words] => 4610 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18671328 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/671328
Foldable filter housing for air conditioning May 21, 2024 Issued
Array ( [id] => 19402562 [patent_doc_number] => 20240286073 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => FOLDING AIR FILTER ASSEMBLIES [patent_app_type] => utility [patent_app_number] => 18/655608 [patent_app_country] => US [patent_app_date] => 2024-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4949 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18655608 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/655608
Folding air filter assemblies May 5, 2024 Issued
Array ( [id] => 19359679 [patent_doc_number] => 20240261713 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-08 [patent_title] => FILTER ELEMENT AND FILTER ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 18/638353 [patent_app_country] => US [patent_app_date] => 2024-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13372 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 18638353 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/638353
Filter element and filter arrangement Apr 16, 2024 Issued
Array ( [id] => 20166022 [patent_doc_number] => 20250258069 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => MEMBRANE FILTER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 19/118504 [patent_app_country] => US [patent_app_date] => 2024-04-16 [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] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19118504 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/118504
Membrane filter assembly Apr 15, 2024 Issued
Array ( [id] => 19632155 [patent_doc_number] => 20240410604 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => FURNITURE ITEM WITH INTEGRATED AIR FILTRATION SYSTEM [patent_app_type] => utility [patent_app_number] => 18/604335 [patent_app_country] => US [patent_app_date] => 2024-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2111 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18604335 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/604335
FURNITURE ITEM WITH INTEGRATED AIR FILTRATION SYSTEM Mar 12, 2024 Pending
Array ( [id] => 19271721 [patent_doc_number] => 20240215428 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => APPARATUS FOR MANUFACTURING ORGANIC MATERIAL AND METHOD OF MANUFACTURING ORGANIC MATERIAL USING THE APPARATUS [patent_app_type] => utility [patent_app_number] => 18/601936 [patent_app_country] => US [patent_app_date] => 2024-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8744 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 52 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18601936 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/601936
Apparatus for manufacturing organic material and method of manufacturing organic material using the apparatus Mar 10, 2024 Issued
Array ( [id] => 19477926 [patent_doc_number] => 20240325968 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-03 [patent_title] => GAS SEPARATION MEMBRANE, GAS SEPARATION DEVICE, AND METHOD FOR PRODUCING GAS SEPARATION MEMBRANE [patent_app_type] => utility [patent_app_number] => 18/592567 [patent_app_country] => US [patent_app_date] => 2024-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9441 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18592567 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/592567
GAS SEPARATION MEMBRANE, GAS SEPARATION DEVICE, AND METHOD FOR PRODUCING GAS SEPARATION MEMBRANE Feb 29, 2024 Pending
Array ( [id] => 19273508 [patent_doc_number] => 12023616 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-07-02 [patent_title] => Method for preparing unbreakable micro-electrostatic filter [patent_app_type] => utility [patent_app_number] => 18/587713 [patent_app_country] => US [patent_app_date] => 2024-02-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5547 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 662 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18587713 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/587713
Method for preparing unbreakable micro-electrostatic filter Feb 25, 2024 Issued
Array ( [id] => 19344006 [patent_doc_number] => 20240252969 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-01 [patent_title] => AIR FILTER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/428847 [patent_app_country] => US [patent_app_date] => 2024-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7241 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18428847 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/428847
AIR FILTER ASSEMBLY Jan 30, 2024 Pending
Array ( [id] => 19269336 [patent_doc_number] => 20240213040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => SYSTEMS AND APPARATUS FOR SEMICONDUCTOR EQUIPMENT [patent_app_type] => utility [patent_app_number] => 18/391815 [patent_app_country] => US [patent_app_date] => 2023-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4481 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18391815 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/391815
SYSTEMS AND APPARATUS FOR SEMICONDUCTOR EQUIPMENT Dec 20, 2023 Pending
Array ( [id] => 20007238 [patent_doc_number] => 20250145460 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-08 [patent_title] => Adsorbent Material, Adsorption System, and Adsorption Process For Hydrogen Recovery [patent_app_type] => utility [patent_app_number] => 18/501068 [patent_app_country] => US [patent_app_date] => 2023-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3237 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18501068 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/501068
Adsorbent Material, Adsorption System, and Adsorption Process For Hydrogen Recovery Nov 2, 2023 Pending
Array ( [id] => 19402557 [patent_doc_number] => 20240286068 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-29 [patent_title] => Grid Cover for Filter System [patent_app_type] => utility [patent_app_number] => 18/499306 [patent_app_country] => US [patent_app_date] => 2023-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2037 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18499306 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/499306
Grid Cover for Filter System Oct 31, 2023 Pending
Array ( [id] => 19998143 [patent_doc_number] => 20250136365 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-05-01 [patent_title] => FOOD WASTE MANAGEMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 18/495129 [patent_app_country] => US [patent_app_date] => 2023-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4802 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18495129 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/495129
FOOD WASTE MANAGEMENT SYSTEM Oct 25, 2023 Pending
Array ( [id] => 19264068 [patent_doc_number] => 20240207766 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => AIR CLEANER [patent_app_type] => utility [patent_app_number] => 18/383309 [patent_app_country] => US [patent_app_date] => 2023-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 38197 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18383309 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/383309
AIR CLEANER Oct 23, 2023 Pending
Array ( [id] => 19035081 [patent_doc_number] => 20240084896 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => Sealing Element, Annular Filter Element, Oil Separator, and Method for Controlling Prevailing Pressure in Crankcase Ventilation System [patent_app_type] => utility [patent_app_number] => 18/490408 [patent_app_country] => US [patent_app_date] => 2023-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11091 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18490408 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/490408
Sealing element, annular filter element, oil separator, and method for controlling prevailing pressure in crankcase ventilation system Oct 18, 2023 Issued
Array ( [id] => 19171305 [patent_doc_number] => 20240157279 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-16 [patent_title] => FILTER MEDIA HAVING A FINE PORE SIZE DISTRIBUTION [patent_app_type] => utility [patent_app_number] => 18/475112 [patent_app_country] => US [patent_app_date] => 2023-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34069 [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] => 18475112 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/475112
FILTER MEDIA HAVING A FINE PORE SIZE DISTRIBUTION Sep 25, 2023 Pending
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