
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 18693502
[patent_doc_number] => 20230323901
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-10-12
[patent_title] => HYDRAULIC DRIVE SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/044332
[patent_app_country] => US
[patent_app_date] => 2021-09-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11972
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -7
[patent_words_short_claim] => 225
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18044332
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/044332 | Hydraulic drive system | Sep 8, 2021 | Issued |
Array
(
[id] => 18613097
[patent_doc_number] => 20230279833
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-09-07
[patent_title] => VALVE PLATE, CYLINDER BLOCK, AND HYDRAULIC MOTOR
[patent_app_type] => utility
[patent_app_number] => 18/018053
[patent_app_country] => US
[patent_app_date] => 2021-09-07
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 10124
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -16
[patent_words_short_claim] => 197
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18018053
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/018053 | Valve plate, cylinder block, and hydraulic motor | Sep 6, 2021 | Issued |
Array
(
[id] => 18718608
[patent_doc_number] => 11795944
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2023-10-24
[patent_title] => Hydraulic pump to synchronize the operation of a pair of hydraulic actuators
[patent_app_type] => utility
[patent_app_number] => 17/300544
[patent_app_country] => US
[patent_app_date] => 2021-08-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 14
[patent_figures_cnt] => 19
[patent_no_of_words] => 7470
[patent_no_of_claims] => 32
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 203
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17300544
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/300544 | Hydraulic pump to synchronize the operation of a pair of hydraulic actuators | Aug 9, 2021 | Issued |
Array
(
[id] => 17414561
[patent_doc_number] => 20220049465
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-02-17
[patent_title] => WORKING MACHINE
[patent_app_type] => utility
[patent_app_number] => 17/397154
[patent_app_country] => US
[patent_app_date] => 2021-08-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 34554
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 244
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17397154
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/397154 | Working machine | Aug 8, 2021 | Issued |
Array
(
[id] => 17414560
[patent_doc_number] => 20220049464
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-02-17
[patent_title] => WORKING MACHINE
[patent_app_type] => utility
[patent_app_number] => 17/395894
[patent_app_country] => US
[patent_app_date] => 2021-08-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 21695
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 111
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17395894
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/395894 | Working machine | Aug 5, 2021 | Issued |
Array
(
[id] => 17414825
[patent_doc_number] => 20220049729
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2022-02-17
[patent_title] => WORKING MACHINE
[patent_app_type] => utility
[patent_app_number] => 17/396143
[patent_app_country] => US
[patent_app_date] => 2021-08-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 17116
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -15
[patent_words_short_claim] => 146
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17396143
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/396143 | Working machine | Aug 5, 2021 | Issued |
Array
(
[id] => 18764426
[patent_doc_number] => 11814815
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2023-11-14
[patent_title] => Working machine
[patent_app_type] => utility
[patent_app_number] => 17/394645
[patent_app_country] => US
[patent_app_date] => 2021-08-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 18
[patent_figures_cnt] => 18
[patent_no_of_words] => 33835
[patent_no_of_claims] => 17
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 270
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17394645
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/394645 | Working machine | Aug 4, 2021 | Issued |
Array
(
[id] => 18910651
[patent_doc_number] => 11873624
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2024-01-16
[patent_title] => Working machine
[patent_app_type] => utility
[patent_app_number] => 17/388668
[patent_app_country] => US
[patent_app_date] => 2021-07-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 11
[patent_no_of_words] => 19487
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 254
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17388668
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/388668 | Working machine | Jul 28, 2021 | Issued |
Array
(
[id] => 18675863
[patent_doc_number] => 20230313487
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-10-05
[patent_title] => HYDRAULIC EXCAVATOR DRIVE SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/022664
[patent_app_country] => US
[patent_app_date] => 2021-07-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7821
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -10
[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] => 18022664
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/022664 | Hydraulic excavator drive system | Jul 28, 2021 | Issued |
Array
(
[id] => 17714117
[patent_doc_number] => 11378102
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2022-07-05
[patent_title] => Flow management of a hydraulic system
[patent_app_type] => utility
[patent_app_number] => 17/443836
[patent_app_country] => US
[patent_app_date] => 2021-07-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 10919
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 176
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17443836
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/443836 | Flow management of a hydraulic system | Jul 27, 2021 | Issued |
Array
(
[id] => 17713838
[patent_doc_number] => 11377823
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2022-07-05
[patent_title] => Flow management of a hydraulic system
[patent_app_type] => utility
[patent_app_number] => 17/443834
[patent_app_country] => US
[patent_app_date] => 2021-07-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 10
[patent_figures_cnt] => 10
[patent_no_of_words] => 10852
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 301
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17443834
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/443834 | Flow management of a hydraulic system | Jul 27, 2021 | Issued |
Array
(
[id] => 20343714
[patent_doc_number] => 12467438
[patent_country] => US
[patent_kind] => B2
[patent_issue_date] => 2025-11-11
[patent_title] => Hub feed oil system
[patent_app_type] => utility
[patent_app_number] => 18/017271
[patent_app_country] => US
[patent_app_date] => 2021-07-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 11
[patent_figures_cnt] => 13
[patent_no_of_words] => 0
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 16
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18017271
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/017271 | Hub feed oil system | Jul 20, 2021 | Issued |
Array
(
[id] => 17185924
[patent_doc_number] => 20210332809
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-10-28
[patent_title] => TILT LINKAGE FOR VARIABLE STROKE PUMP
[patent_app_type] => utility
[patent_app_number] => 17/305370
[patent_app_country] => US
[patent_app_date] => 2021-07-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 7411
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -17
[patent_words_short_claim] => 103
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17305370
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/305370 | Tilt linkage for variable stroke pump | Jul 5, 2021 | Issued |
Array
(
[id] => 18583604
[patent_doc_number] => 20230265865
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-08-24
[patent_title] => HYDRAULIC DRIVE SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/005111
[patent_app_country] => US
[patent_app_date] => 2021-06-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 11470
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -8
[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] => 18005111
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/005111 | Hydraulic drive system | Jun 28, 2021 | Issued |
Array
(
[id] => 19404498
[patent_doc_number] => 20240288009
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2024-08-29
[patent_title] => WORKING CYLINDER AND METHOD FOR THE PRODUCTION THEREOF
[patent_app_type] => utility
[patent_app_number] => 18/573099
[patent_app_country] => US
[patent_app_date] => 2021-06-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 5825
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -8
[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] => 18573099
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/573099 | Working cylinder and method for the production thereof | Jun 27, 2021 | Issued |
Array
(
[id] => 17436567
[patent_doc_number] => 11261886
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2022-03-01
[patent_title] => Pneumatic cylinder and mechanical apparatus using the same
[patent_app_type] => utility
[patent_app_number] => 17/347548
[patent_app_country] => US
[patent_app_date] => 2021-06-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 3329
[patent_no_of_claims] => 16
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 215
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17347548
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/347548 | Pneumatic cylinder and mechanical apparatus using the same | Jun 13, 2021 | Issued |
Array
(
[id] => 17635365
[patent_doc_number] => 11346083
[patent_country] => US
[patent_kind] => B1
[patent_issue_date] => 2022-05-31
[patent_title] => Fluid flushing system for a hydraulic circuit of a work machine
[patent_app_type] => utility
[patent_app_number] => 17/303973
[patent_app_country] => US
[patent_app_date] => 2021-06-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 5
[patent_no_of_words] => 8444
[patent_no_of_claims] => 20
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 144
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17303973
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/303973 | Fluid flushing system for a hydraulic circuit of a work machine | Jun 10, 2021 | Issued |
Array
(
[id] => 17315439
[patent_doc_number] => 20210404487
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2021-12-30
[patent_title] => COMBINED VALVE, POWER UNIT BODY AND HYDRAULIC POWER UNIT
[patent_app_type] => utility
[patent_app_number] => 17/303899
[patent_app_country] => US
[patent_app_date] => 2021-06-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4089
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -9
[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] => 17303899
[rel_patent_id] =>[rel_patent_doc_number] =>) 17/303899 | Combined valve, power unit body and hydraulic power unit | Jun 9, 2021 | Issued |
Array
(
[id] => 18726688
[patent_doc_number] => 20230340969
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-10-26
[patent_title] => HYDRAULIC SYSTEM AND METHOD FOR OPERATING A HYDRAULIC SYSTEM
[patent_app_type] => utility
[patent_app_number] => 18/017446
[patent_app_country] => US
[patent_app_date] => 2021-06-10
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 4210
[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] => 18017446
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/017446 | Hydraulic system and method for operating a hydraulic system | Jun 9, 2021 | Issued |
Array
(
[id] => 18485693
[patent_doc_number] => 20230213031
[patent_country] => US
[patent_kind] => A1
[patent_issue_date] => 2023-07-06
[patent_title] => HYDRAULIC CONTROL SYSTEM FOR LINEAR ACTUATION
[patent_app_type] => utility
[patent_app_number] => 18/000782
[patent_app_country] => US
[patent_app_date] => 2021-06-09
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 0
[patent_figures_cnt] => 0
[patent_no_of_words] => 1613
[patent_no_of_claims] => 0
[patent_no_of_ind_claims] => -7
[patent_words_short_claim] => 84
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => publication
[pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18000782
[rel_patent_id] =>[rel_patent_doc_number] =>) 18/000782 | Hydraulic control system for linear actuation | Jun 8, 2021 | Issued |