Search

Bac H. Au

Examiner (ID: 4032, Phone: (571)272-8795 , Office: P/2822 )

Most Active Art Unit
2822
Art Unit(s)
2822, 2898
Total Applications
1251
Issued Applications
978
Pending Applications
78
Abandoned Applications
213

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16884956 [patent_doc_number] => 20210171151 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => Vehicle Suspension Linkage [patent_app_type] => utility [patent_app_number] => 16/705049 [patent_app_country] => US [patent_app_date] => 2019-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20109 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16705049 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/705049
Vehicle Suspension Linkage Dec 4, 2019 Pending
Array ( [id] => 17273576 [patent_doc_number] => 20210379774 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => GYROSCOPICALLY STABILISED LEGGED ROBOT [patent_app_type] => utility [patent_app_number] => 17/299213 [patent_app_country] => US [patent_app_date] => 2019-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13470 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17299213 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/299213
Gyroscopically stabilised legged robot Dec 2, 2019 Issued
Array ( [id] => 18518247 [patent_doc_number] => 11708123 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-25 [patent_title] => Three-dimensional folding frame, electric vehicle, bicycle, and motorcycle [patent_app_type] => utility [patent_app_number] => 17/594526 [patent_app_country] => US [patent_app_date] => 2019-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2903 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17594526 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/594526
Three-dimensional folding frame, electric vehicle, bicycle, and motorcycle Nov 28, 2019 Issued
Array ( [id] => 20263813 [patent_doc_number] => 12434786 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Electric assist device for a bicycle [patent_app_type] => utility [patent_app_number] => 17/294245 [patent_app_country] => US [patent_app_date] => 2019-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 15 [patent_no_of_words] => 2532 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17294245 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/294245
Electric assist device for a bicycle Nov 13, 2019 Issued
Array ( [id] => 17066904 [patent_doc_number] => 20210269119 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => DRIVE SYSTEM OF AN ELECTRICALLY OPERABLE BICYCLE [patent_app_type] => utility [patent_app_number] => 17/274002 [patent_app_country] => US [patent_app_date] => 2019-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3260 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 17274002 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/274002
DRIVE SYSTEM OF AN ELECTRICALLY OPERABLE BICYCLE Nov 11, 2019 Pending
Array ( [id] => 18701013 [patent_doc_number] => 11787509 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-17 [patent_title] => Snowmobile with a tunnel having a bendable portion [patent_app_type] => utility [patent_app_number] => 17/309126 [patent_app_country] => US [patent_app_date] => 2019-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 6006 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17309126 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/309126
Snowmobile with a tunnel having a bendable portion Oct 28, 2019 Issued
Array ( [id] => 15929581 [patent_doc_number] => 20200156424 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => SYSTEM AND METHOD FOR ATTACHING A TRAILER TO A TOW VEHICLE [patent_app_type] => utility [patent_app_number] => 16/657884 [patent_app_country] => US [patent_app_date] => 2019-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10546 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -53 [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] => 16657884 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/657884
System and method for attaching a trailer to a tow vehicle Oct 17, 2019 Issued
Array ( [id] => 17273988 [patent_doc_number] => 20210380186 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => SINGLE-LEG ROBOT MECHANISM FOR JUMPING ON A WALL AND METHOD FOR CONTROLLING THE SAME [patent_app_type] => utility [patent_app_number] => 16/965001 [patent_app_country] => US [patent_app_date] => 2019-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3535 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 16965001 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/965001
Single-leg robot mechanism for jumping on a wall and method for controlling the same Oct 10, 2019 Issued
Array ( [id] => 17273964 [patent_doc_number] => 20210380162 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => STEERING SYSTEM FOR VEHICLES WITH INDEPENDENT AXLES [patent_app_type] => utility [patent_app_number] => 17/283982 [patent_app_country] => US [patent_app_date] => 2019-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7771 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17283982 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/283982
Steering system for vehicles with independent axles Oct 8, 2019 Issued
Array ( [id] => 16749641 [patent_doc_number] => 20210101650 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => Track-Module Apparatus [patent_app_type] => utility [patent_app_number] => 16/590613 [patent_app_country] => US [patent_app_date] => 2019-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5262 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16590613 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/590613
Track-module apparatus Oct 1, 2019 Issued
Array ( [id] => 17399160 [patent_doc_number] => 20220041250 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-10 [patent_title] => MOTORIZED VEHICLE [patent_app_type] => utility [patent_app_number] => 17/280562 [patent_app_country] => US [patent_app_date] => 2019-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17537 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17280562 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/280562
MOTORIZED VEHICLE Sep 26, 2019 Abandoned
Array ( [id] => 18384235 [patent_doc_number] => 11655002 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-05-23 [patent_title] => Electric pedelec bottom bracket drive [patent_app_type] => utility [patent_app_number] => 17/280262 [patent_app_country] => US [patent_app_date] => 2019-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 4098 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [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] => 17280262 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/280262
Electric pedelec bottom bracket drive Sep 9, 2019 Issued
Array ( [id] => 15618077 [patent_doc_number] => 20200079443 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-12 [patent_title] => VEHICLE AND TRACK SYSTEM WITH PRESSURE-ADJUSTABLE WHEELS [patent_app_type] => utility [patent_app_number] => 16/562903 [patent_app_country] => US [patent_app_date] => 2019-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16562903 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/562903
Vehicle and track system with pressure-adjustable wheels Sep 5, 2019 Issued
Array ( [id] => 19473536 [patent_doc_number] => 12103609 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-01 [patent_title] => Track system [patent_app_type] => utility [patent_app_number] => 17/272815 [patent_app_country] => US [patent_app_date] => 2019-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 32 [patent_figures_cnt] => 32 [patent_no_of_words] => 17910 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17272815 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/272815
Track system Sep 5, 2019 Issued
Array ( [id] => 19424749 [patent_doc_number] => 12084146 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-09-10 [patent_title] => Master communication apparatus, slave communication apparatus, and wireless communication apparatus [patent_app_type] => utility [patent_app_number] => 16/562405 [patent_app_country] => US [patent_app_date] => 2019-09-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 18 [patent_no_of_words] => 20526 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16562405 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/562405
Master communication apparatus, slave communication apparatus, and wireless communication apparatus Sep 4, 2019 Issued
Array ( [id] => 17155749 [patent_doc_number] => 20210316800 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => TRACK FOR A TRACKED VEHICLE IN PARTICULAR FOR PREPARING SKI PISTES, AND THE TRACKED VEHICLE COMPRISING A PLURALITY OF SAID TRACKS [patent_app_type] => utility [patent_app_number] => 17/272857 [patent_app_country] => US [patent_app_date] => 2019-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3382 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17272857 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/272857
TRACK FOR A TRACKED VEHICLE IN PARTICULAR FOR PREPARING SKI PISTES, AND THE TRACKED VEHICLE COMPRISING A PLURALITY OF SAID TRACKS Sep 2, 2019 Abandoned
Array ( [id] => 17619852 [patent_doc_number] => 11338885 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-24 [patent_title] => Assistance control system [patent_app_type] => utility [patent_app_number] => 16/538406 [patent_app_country] => US [patent_app_date] => 2019-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2634 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 477 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16538406 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/538406
Assistance control system Aug 11, 2019 Issued
Array ( [id] => 17413691 [patent_doc_number] => 20220048595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => Drive Arrangement for a Bicycle or Pedelec [patent_app_type] => utility [patent_app_number] => 17/279300 [patent_app_country] => US [patent_app_date] => 2019-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5266 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 17279300 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/279300
Drive arrangement for a bicycle or pedelec Aug 11, 2019 Issued
Array ( [id] => 17109861 [patent_doc_number] => 20210290458 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => MECHANICAL WHEELCHAIR DRIVE AND WHEELCHAIR HAVING SUCH A MECHANICAL WHEELCHAIR [patent_app_type] => utility [patent_app_number] => 17/260980 [patent_app_country] => US [patent_app_date] => 2019-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4782 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17260980 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/260980
Mechanical wheelchair drive and wheelchair having such a mechanical wheelchair drive Jul 15, 2019 Issued
Array ( [id] => 16855372 [patent_doc_number] => 20210156117 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-27 [patent_title] => STEERING DEVICE, STEERING SYSTEM, AND WORK VEHICLE [patent_app_type] => utility [patent_app_number] => 17/045513 [patent_app_country] => US [patent_app_date] => 2019-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15066 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17045513 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/045513
Steering device, steering system, and work vehicle Jul 15, 2019 Issued
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