Search

Hai Phan

Supervisory Patent Examiner (ID: 18880, Phone: (571)272-6338 , Office: P/2685 )

Most Active Art Unit
2614
Art Unit(s)
2614, 2654, 2734, 2685
Total Applications
530
Issued Applications
277
Pending Applications
94
Abandoned Applications
161

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20737337 [patent_doc_number] => 20260146630 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-28 [patent_title] => TELESCOPIC CYLINDER WITH VARIABLE VOLUME FEED CHANNELS AND CYLINDER CONTROL [patent_app_type] => utility [patent_app_number] => 19/399915 [patent_app_country] => US [patent_app_date] => 2025-11-25 [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] => -14 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19399915 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/399915
TELESCOPIC CYLINDER WITH VARIABLE VOLUME FEED CHANNELS AND CYLINDER CONTROL Nov 24, 2025 Pending
Array ( [id] => 20586012 [patent_doc_number] => 20260071604 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-12 [patent_title] => GRADED UNDERGROUND PUMPED-STORAGE HYDROPOWER IN COAL MINE, CONSTRUCTION AND USING METHODS [patent_app_type] => utility [patent_app_number] => 19/387621 [patent_app_country] => US [patent_app_date] => 2025-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2266 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19387621 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/387621
GRADED UNDERGROUND PUMPED-STORAGE HYDROPOWER IN COAL MINE, CONSTRUCTION AND USING METHODS Nov 12, 2025 Pending
Array ( [id] => 20555978 [patent_doc_number] => 20260055758 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-26 [patent_title] => POWER END MOUNT PLATE [patent_app_type] => utility [patent_app_number] => 19/375487 [patent_app_country] => US [patent_app_date] => 2025-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5928 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19375487 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/375487
POWER END MOUNT PLATE Oct 30, 2025 Pending
Array ( [id] => 20694626 [patent_doc_number] => 20260126032 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-05-07 [patent_title] => HYDRAULIC MOTOR [patent_app_type] => utility [patent_app_number] => 19/373770 [patent_app_country] => US [patent_app_date] => 2025-10-30 [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] => -2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19373770 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/373770
HYDRAULIC MOTOR Oct 29, 2025 Pending
Array ( [id] => 20678991 [patent_doc_number] => 20260117803 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-30 [patent_title] => STACKED HYDRAULIC TOOL ARRANGEMENT [patent_app_type] => utility [patent_app_number] => 19/367410 [patent_app_country] => US [patent_app_date] => 2025-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4846 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 19367410 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/367410
STACKED HYDRAULIC TOOL ARRANGEMENT Oct 22, 2025 Pending
Array ( [id] => 20615582 [patent_doc_number] => 20260085672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-26 [patent_title] => MODULARIZED TRANSFER PUMP SYSTEM FOR INCORPORATION INTO A SHIPPING CONTAINER STYLED SKID [patent_app_type] => utility [patent_app_number] => 19/336744 [patent_app_country] => US [patent_app_date] => 2025-09-23 [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] => -18 [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] => 19336744 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/336744
MODULARIZED TRANSFER PUMP SYSTEM FOR INCORPORATION INTO A SHIPPING CONTAINER STYLED SKID Sep 22, 2025 Pending
Array ( [id] => 20445836 [patent_doc_number] => 20260002553 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => METHOD FOR OPERATING A HYDRAULIC SYSTEM OF AN INDUSTRIAL MACHINE [patent_app_type] => utility [patent_app_number] => 19/321767 [patent_app_country] => US [patent_app_date] => 2025-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1191 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 17 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19321767 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/321767
METHOD FOR OPERATING A HYDRAULIC SYSTEM OF AN INDUSTRIAL MACHINE Sep 7, 2025 Pending
Array ( [id] => 20445813 [patent_doc_number] => 20260002530 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-01 [patent_title] => PUMP MOUNTING AND RETENTION [patent_app_type] => utility [patent_app_number] => 19/321814 [patent_app_country] => US [patent_app_date] => 2025-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6688 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19321814 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/321814
PUMP MOUNTING AND RETENTION Sep 7, 2025 Pending
Array ( [id] => 20569230 [patent_doc_number] => 20260063152 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-05 [patent_title] => SINGLE ACTING HYDRAULIC CYLINDER WITH HEAD END CUSHIONING [patent_app_type] => utility [patent_app_number] => 19/319526 [patent_app_country] => US [patent_app_date] => 2025-09-04 [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] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19319526 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/319526
SINGLE ACTING HYDRAULIC CYLINDER WITH HEAD END CUSHIONING Sep 3, 2025 Pending
Array ( [id] => 20379389 [patent_doc_number] => 20250361882 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-27 [patent_title] => HYDRAULIC CYLINDER AND SYSTEM WITH PRESSURE INTENSIFICATION [patent_app_type] => utility [patent_app_number] => 19/295013 [patent_app_country] => US [patent_app_date] => 2025-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2231 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 19295013 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/295013
HYDRAULIC CYLINDER AND SYSTEM WITH PRESSURE INTENSIFICATION Aug 7, 2025 Pending
Array ( [id] => 20519289 [patent_doc_number] => 20260043393 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-12 [patent_title] => Axial Piston Machine in Slanted Axis Design with Pre-Compression Volume [patent_app_type] => utility [patent_app_number] => 19/290816 [patent_app_country] => US [patent_app_date] => 2025-08-05 [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] => -11 [patent_words_short_claim] => 333 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19290816 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/290816
Axial Piston Machine in Slanted Axis Design with Pre-Compression Volume Aug 4, 2025 Pending
19/151817 METHOD AND SYSTEM FOR TRANSFERRING HYDRAULIC POWER BETWEEN A PUMP AND AN ACTUATOR Jul 28, 2025 Pending
Array ( [id] => 20295610 [patent_doc_number] => 20250320853 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-16 [patent_title] => BUOYANT COMPRESSED AIR ENERGY STORAGE [patent_app_type] => utility [patent_app_number] => 19/249503 [patent_app_country] => US [patent_app_date] => 2025-06-25 [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] => -17 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19249503 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/249503
BUOYANT COMPRESSED AIR ENERGY STORAGE Jun 24, 2025 Pending
Array ( [id] => 20407886 [patent_doc_number] => 20250376995 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-12-11 [patent_title] => WORK MACHINE ACCESSORY MOTOR LOAD PROTECTION [patent_app_type] => utility [patent_app_number] => 19/226311 [patent_app_country] => US [patent_app_date] => 2025-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1196 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19226311 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/226311
WORK MACHINE ACCESSORY MOTOR LOAD PROTECTION Jun 2, 2025 Pending
Array ( [id] => 20796183 [patent_doc_number] => 20260177084 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-06-25 [patent_title] => Rotary Actuator with a Position Sensor [patent_app_type] => utility [patent_app_number] => 19/132469 [patent_app_country] => US [patent_app_date] => 2023-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4495 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19132469 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/132469
Rotary Actuator with a Position Sensor May 22, 2025 Pending
Array ( [id] => 20180160 [patent_doc_number] => 20250264118 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-21 [patent_title] => METHOD AND SYSTEM FOR A FLOW-ISOLATED VALVE ARRANGEMENT AND A THREE-CHAMBER CYLINDER HYDRAULIC ARCHITECTURE [patent_app_type] => utility [patent_app_number] => 19/197596 [patent_app_country] => US [patent_app_date] => 2025-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1158 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19197596 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/197596
METHOD AND SYSTEM FOR A FLOW-ISOLATED VALVE ARRANGEMENT AND A THREE-CHAMBER CYLINDER HYDRAULIC ARCHITECTURE May 1, 2025 Pending
Array ( [id] => 20364541 [patent_doc_number] => 20250354353 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-20 [patent_title] => Method of Controlling a Swing System of a Work Machine [patent_app_type] => utility [patent_app_number] => 19/191956 [patent_app_country] => US [patent_app_date] => 2025-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2308 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19191956 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/191956
Method of Controlling a Swing System of a Work Machine Apr 27, 2025 Pending
Array ( [id] => 20679052 [patent_doc_number] => 20260117864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-04-30 [patent_title] => H11 AND H13 STEELS FOR PISTON APPLICATION [patent_app_type] => utility [patent_app_number] => 19/174090 [patent_app_country] => US [patent_app_date] => 2025-04-09 [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] => -18 [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] => 19174090 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/174090
H11 AND H13 STEELS FOR PISTON APPLICATION Apr 8, 2025 Pending
Array ( [id] => 20373060 [patent_doc_number] => 12480489 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-25 [patent_title] => Packing bore wear sleeve retainer system [patent_app_type] => utility [patent_app_number] => 19/169228 [patent_app_country] => US [patent_app_date] => 2025-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 22 [patent_no_of_words] => 3407 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19169228 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/169228
Packing bore wear sleeve retainer system Apr 2, 2025 Issued
Array ( [id] => 20280004 [patent_doc_number] => 20250305246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-10-02 [patent_title] => HYDRAULIC CIRCUIT FOR A CONSTRUCTION MACHINE [patent_app_type] => utility [patent_app_number] => 19/098038 [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] => 2389 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19098038 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/098038
Hydraulic circuit for a construction machine Apr 1, 2025 Issued
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