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] => 19241268 [patent_doc_number] => 12011684 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2024-06-18 [patent_title] => Filter assembly for air moving system [patent_app_type] => utility [patent_app_number] => 18/471093 [patent_app_country] => US [patent_app_date] => 2023-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3247 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18471093 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/471093
Filter assembly for air moving system Sep 19, 2023 Issued
Array ( [id] => 19032948 [patent_doc_number] => 20240082763 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => FILTRATION MEDIA AND FILTERS [patent_app_type] => utility [patent_app_number] => 18/464484 [patent_app_country] => US [patent_app_date] => 2023-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9939 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18464484 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/464484
FILTRATION MEDIA AND FILTERS Sep 10, 2023 Pending
Array ( [id] => 19831296 [patent_doc_number] => 20250083082 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-13 [patent_title] => AIRBOX WITH DEBRIS REMOVAL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/243911 [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] => 4277 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18243911 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/243911
AIRBOX WITH DEBRIS REMOVAL SYSTEM Sep 7, 2023 Pending
Array ( [id] => 19019249 [patent_doc_number] => 20240075420 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-07 [patent_title] => Self-Validating Purification System with Automated Operational and Efficacy Testing [patent_app_type] => utility [patent_app_number] => 18/242072 [patent_app_country] => US [patent_app_date] => 2023-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2222 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18242072 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/242072
Self-Validating Purification System with Automated Operational and Efficacy Testing Sep 4, 2023 Pending
Array ( [id] => 18986766 [patent_doc_number] => 20240058735 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => Paint Apparatus and Filter Module [patent_app_type] => utility [patent_app_number] => 18/235009 [patent_app_country] => US [patent_app_date] => 2023-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5002 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18235009 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/235009
Paint Apparatus and Filter Module Aug 16, 2023 Pending
Array ( [id] => 19032959 [patent_doc_number] => 20240082774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-03-14 [patent_title] => FILTER ASSEMBLY AND FOLDABLE FILTER BANK [patent_app_type] => utility [patent_app_number] => 18/446364 [patent_app_country] => US [patent_app_date] => 2023-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5713 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18446364 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/446364
FILTER ASSEMBLY AND FOLDABLE FILTER BANK Aug 7, 2023 Pending
Array ( [id] => 19777705 [patent_doc_number] => 12226726 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-02-18 [patent_title] => Conformable pleated air filter with bridging filaments [patent_app_type] => utility [patent_app_number] => 18/229021 [patent_app_country] => US [patent_app_date] => 2023-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 12097 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18229021 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/229021
Conformable pleated air filter with bridging filaments Jul 31, 2023 Issued
Array ( [id] => 19708180 [patent_doc_number] => 20250018322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-16 [patent_title] => Filter Lift Apparatus and Method [patent_app_type] => utility [patent_app_number] => 18/349396 [patent_app_country] => US [patent_app_date] => 2023-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5814 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18349396 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/349396
Filter Lift Apparatus and Method Jul 9, 2023 Pending
Array ( [id] => 20159037 [patent_doc_number] => 12385657 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => In line air filtration and purification apparatus [patent_app_type] => utility [patent_app_number] => 18/208413 [patent_app_country] => US [patent_app_date] => 2023-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18208413 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/208413
In line air filtration and purification apparatus Jun 11, 2023 Issued
Array ( [id] => 18691361 [patent_doc_number] => 20230321577 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-12 [patent_title] => Filter element and filter arrangement [patent_app_type] => utility [patent_app_number] => 18/323913 [patent_app_country] => US [patent_app_date] => 2023-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13351 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 664 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18323913 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/323913
Filter element and filter arrangement May 24, 2023 Issued
Array ( [id] => 18785121 [patent_doc_number] => 20230372853 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => MULTI-STAGE COALESCING FILTER [patent_app_type] => utility [patent_app_number] => 18/315820 [patent_app_country] => US [patent_app_date] => 2023-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9189 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315820 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315820
MULTI-STAGE COALESCING FILTER May 10, 2023 Pending
Array ( [id] => 18785123 [patent_doc_number] => 20230372855 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-23 [patent_title] => FILTER FOR AN AIRCRAFT OVEN [patent_app_type] => utility [patent_app_number] => 18/315175 [patent_app_country] => US [patent_app_date] => 2023-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1902 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18315175 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/315175
FILTER FOR AN AIRCRAFT OVEN May 9, 2023 Pending
Array ( [id] => 19939190 [patent_doc_number] => 12311305 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-05-27 [patent_title] => Removable flue gas strainer and associated methods [patent_app_type] => utility [patent_app_number] => 18/142111 [patent_app_country] => US [patent_app_date] => 2023-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 5698 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 348 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18142111 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/142111
Removable flue gas strainer and associated methods May 1, 2023 Issued
Array ( [id] => 18566044 [patent_doc_number] => 20230256372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-08-17 [patent_title] => Filter System, Filter Element, and Use [patent_app_type] => utility [patent_app_number] => 18/308840 [patent_app_country] => US [patent_app_date] => 2023-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7334 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18308840 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/308840
Filter system, filter element, and use Apr 27, 2023 Issued
Array ( [id] => 19496763 [patent_doc_number] => 20240335781 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-10 [patent_title] => AUTOMATED AIR FILTER [patent_app_type] => utility [patent_app_number] => 18/297519 [patent_app_country] => US [patent_app_date] => 2023-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3427 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 18297519 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/297519
AUTOMATED AIR FILTER Apr 6, 2023 Pending
Array ( [id] => 20128186 [patent_doc_number] => 12370486 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-29 [patent_title] => Filter cartridge; components thereof; and methods [patent_app_type] => utility [patent_app_number] => 18/126590 [patent_app_country] => US [patent_app_date] => 2023-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 25 [patent_figures_cnt] => 34 [patent_no_of_words] => 7787 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18126590 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/126590
Filter cartridge; components thereof; and methods Mar 26, 2023 Issued
Array ( [id] => 19808573 [patent_doc_number] => 12239933 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-04 [patent_title] => Correcting system, and correcting method [patent_app_type] => utility [patent_app_number] => 18/126191 [patent_app_country] => US [patent_app_date] => 2023-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 7785 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18126191 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/126191
Correcting system, and correcting method Mar 23, 2023 Issued
18/112689 DAMPER AIR FILTER Feb 21, 2023 Abandoned
Array ( [id] => 18483964 [patent_doc_number] => 20230211268 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-07-06 [patent_title] => GAS STREAM GUIDING DEVICE AND MANUFACTURING EQUIPMENT [patent_app_type] => utility [patent_app_number] => 18/088243 [patent_app_country] => US [patent_app_date] => 2022-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3963 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18088243 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/088243
GAS STREAM GUIDING DEVICE AND MANUFACTURING EQUIPMENT Dec 22, 2022 Abandoned
Array ( [id] => 18450029 [patent_doc_number] => 20230191306 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-22 [patent_title] => BREATHING TUBE FILTER AND FILTER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/069844 [patent_app_country] => US [patent_app_date] => 2022-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1649 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18069844 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/069844
BREATHING TUBE FILTER AND FILTER ASSEMBLY Dec 20, 2022 Abandoned
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