Search

Weilun Lo

Supervisory Patent Examiner (ID: 5663, Phone: (571)272-4847 , Office: P/2179 )

Most Active Art Unit
3402
Art Unit(s)
3402, 2179, 3747, 3748, 3723, 3761, 2899
Total Applications
2327
Issued Applications
2049
Pending Applications
47
Abandoned Applications
231

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 15082315 [patent_doc_number] => 20190335968 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-07 [patent_title] => DOCKING STATION FOR ROBOTIC CLEANER [patent_app_type] => utility [patent_app_number] => 16/400657 [patent_app_country] => US [patent_app_date] => 2019-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5797 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16400657 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/400657
Docking station for robotic cleaner Apr 30, 2019 Issued
Array ( [id] => 17574071 [patent_doc_number] => 11322345 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-05-03 [patent_title] => Post-CMP cleaning and apparatus [patent_app_type] => utility [patent_app_number] => 16/390691 [patent_app_country] => US [patent_app_date] => 2019-04-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 4806 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16390691 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/390691
Post-CMP cleaning and apparatus Apr 21, 2019 Issued
Array ( [id] => 14692731 [patent_doc_number] => 20190245481 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-08 [patent_title] => Front-Heavy Dust Cleaning Vehicle [patent_app_type] => utility [patent_app_number] => 16/386881 [patent_app_country] => US [patent_app_date] => 2019-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5791 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16386881 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/386881
Front-heavy dust cleaning vehicle Apr 16, 2019 Issued
Array ( [id] => 14620015 [patent_doc_number] => 20190223374 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-25 [patent_title] => HAND TOOLS HAVING A PROTECTIVE HAND GUARD [patent_app_type] => utility [patent_app_number] => 16/372376 [patent_app_country] => US [patent_app_date] => 2019-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 22775 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16372376 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/372376
HAND TOOLS HAVING A PROTECTIVE HAND GUARD Mar 31, 2019 Abandoned
Array ( [id] => 17058476 [patent_doc_number] => 11103056 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-31 [patent_title] => Oral care implement and filament therefor [patent_app_type] => utility [patent_app_number] => 16/362794 [patent_app_country] => US [patent_app_date] => 2019-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 20 [patent_no_of_words] => 11825 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16362794 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/362794
Oral care implement and filament therefor Mar 24, 2019 Issued
Array ( [id] => 14337445 [patent_doc_number] => 20190150695 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-23 [patent_title] => CLEANING PAD [patent_app_type] => utility [patent_app_number] => 16/257427 [patent_app_country] => US [patent_app_date] => 2019-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2214 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16257427 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/257427
Cleaning pad Jan 24, 2019 Issued
Array ( [id] => 16051535 [patent_doc_number] => 20200187622 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => Kind of anti-permeability dry and wet multi-functional powder puff [patent_app_type] => utility [patent_app_number] => 16/221637 [patent_app_country] => US [patent_app_date] => 2018-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 786 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16221637 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/221637
Kind of anti-permeability dry and wet multi-functional powder puff Dec 16, 2018 Abandoned
Array ( [id] => 15585011 [patent_doc_number] => 20200069040 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-05 [patent_title] => SYSTEM, METHOD AND APPARATUS FOR PAINT BRUSH ACCESSORY [patent_app_type] => utility [patent_app_number] => 16/219498 [patent_app_country] => US [patent_app_date] => 2018-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3776 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16219498 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/219498
System, method and apparatus for paint brush accessory Dec 12, 2018 Issued
Array ( [id] => 16051779 [patent_doc_number] => 20200187744 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => Debris Collection Device [patent_app_type] => utility [patent_app_number] => 16/218540 [patent_app_country] => US [patent_app_date] => 2018-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2247 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16218540 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/218540
Debris collection device Dec 12, 2018 Issued
Array ( [id] => 17028065 [patent_doc_number] => 11089860 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-17 [patent_title] => Tool for servicing a structure [patent_app_type] => utility [patent_app_number] => 16/217116 [patent_app_country] => US [patent_app_date] => 2018-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 2425 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16217116 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/217116
Tool for servicing a structure Dec 11, 2018 Issued
Array ( [id] => 15616863 [patent_doc_number] => 20200078836 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-12 [patent_title] => DROP HEAD ATTACHMENT FOR TOILET AUGER [patent_app_type] => utility [patent_app_number] => 16/209226 [patent_app_country] => US [patent_app_date] => 2018-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3798 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 16209226 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/209226
Drop head attachment for toilet auger Dec 3, 2018 Issued
Array ( [id] => 15926675 [patent_doc_number] => 20200154971 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-21 [patent_title] => CONVENIENT SPOT REMOVER FOR DIRTY CARPET SPOTS [patent_app_type] => utility [patent_app_number] => 16/197809 [patent_app_country] => US [patent_app_date] => 2018-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1405 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16197809 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/197809
Convenient spot remover for dirty carpet spots Nov 20, 2018 Issued
Array ( [id] => 15798117 [patent_doc_number] => 20200122201 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => CLEANING SYSTEM AND CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 16/311682 [patent_app_country] => US [patent_app_date] => 2018-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3546 [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] => 16311682 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/311682
Cleaning system and cleaning apparatus Nov 14, 2018 Issued
Array ( [id] => 16327326 [patent_doc_number] => 20200298291 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => MANUALLY OPERATED DRUM-TYPE PIPE CLEANING DEVICE [patent_app_type] => utility [patent_app_number] => 16/756289 [patent_app_country] => US [patent_app_date] => 2018-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5539 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 16756289 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/756289
Manually operated drum-type pipe cleaning device Nov 14, 2018 Issued
Array ( [id] => 15847143 [patent_doc_number] => 10638829 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2020-05-05 [patent_title] => Protective toothbrush [patent_app_type] => utility [patent_app_number] => 16/191020 [patent_app_country] => US [patent_app_date] => 2018-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 7034 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 397 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16191020 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/191020
Protective toothbrush Nov 13, 2018 Issued
Array ( [id] => 13897617 [patent_doc_number] => 20190038013 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => Toothbrush with Inclined Bristles and Pointed Bristles [patent_app_type] => utility [patent_app_number] => 16/153995 [patent_app_country] => US [patent_app_date] => 2018-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5000 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16153995 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/153995
Toothbrush with Inclined Bristles and Pointed Bristles Oct 7, 2018 Abandoned
Array ( [id] => 15709475 [patent_doc_number] => 20200101503 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-02 [patent_title] => Pig Receptacle [patent_app_type] => utility [patent_app_number] => 16/148378 [patent_app_country] => US [patent_app_date] => 2018-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1517 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16148378 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/148378
Pig receptacle Sep 30, 2018 Issued
Array ( [id] => 15709447 [patent_doc_number] => 20200101489 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-02 [patent_title] => PAINT ROLLER PRESSURE ADJUSTING DEVICE [patent_app_type] => utility [patent_app_number] => 16/148180 [patent_app_country] => US [patent_app_date] => 2018-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1440 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16148180 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/148180
Paint roller pressure adjusting device Sep 30, 2018 Issued
Array ( [id] => 13836173 [patent_doc_number] => 20190021571 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-24 [patent_title] => SCRUB GLOVE FOR CLEANING VARIOUS ARTICLES [patent_app_type] => utility [patent_app_number] => 16/143604 [patent_app_country] => US [patent_app_date] => 2018-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2494 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16143604 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/143604
Scrub glove for cleaning various articles Sep 26, 2018 Issued
Array ( [id] => 13835993 [patent_doc_number] => 20190021481 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-24 [patent_title] => Illuminated Flashing Toothbrush and Method of Use [patent_app_type] => utility [patent_app_number] => 16/141550 [patent_app_country] => US [patent_app_date] => 2018-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7506 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16141550 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/141550
Illuminated flashing toothbrush and method of use Sep 24, 2018 Issued
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