Search

Weilun Lo

Supervisory Patent Examiner (ID: 18821, Phone: (571)272-4847 , Office: P/2179 )

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

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 14848907 [patent_doc_number] => 10413154 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-17 [patent_title] => Plate cleaning apparatus and system [patent_app_type] => utility [patent_app_number] => 15/495931 [patent_app_country] => US [patent_app_date] => 2017-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 9107 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 463 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15495931 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/495931
Plate cleaning apparatus and system Apr 23, 2017 Issued
Array ( [id] => 11991869 [patent_doc_number] => 20170296023 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-19 [patent_title] => 'AUTOMATIC CLEANING DEVICE AND SWEEPING ASSEMBLY THEREOF' [patent_app_type] => utility [patent_app_number] => 15/484681 [patent_app_country] => US [patent_app_date] => 2017-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 7827 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15484681 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/484681
Automatic cleaning device and sweeping assembly thereof Apr 10, 2017 Issued
Array ( [id] => 15912039 [patent_doc_number] => 10653236 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-19 [patent_title] => Methods and systems for calibrating an oral cleaning device [patent_app_type] => utility [patent_app_number] => 16/089093 [patent_app_country] => US [patent_app_date] => 2017-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 6849 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16089093 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/089093
Methods and systems for calibrating an oral cleaning device Mar 26, 2017 Issued
Array ( [id] => 14098047 [patent_doc_number] => 20190090699 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-28 [patent_title] => CLEANING INSTRUMENT, CORRESPONDING CLEANING ELEMENT, USE OF A CLEANING ELEMENT, AND METHOD FOR CLEANING [patent_app_type] => utility [patent_app_number] => 16/083272 [patent_app_country] => US [patent_app_date] => 2017-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5072 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16083272 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/083272
CLEANING INSTRUMENT, CORRESPONDING CLEANING ELEMENT, USE OF A CLEANING ELEMENT, AND METHOD FOR CLEANING Mar 2, 2017 Abandoned
Array ( [id] => 15131777 [patent_doc_number] => 10479330 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-19 [patent_title] => Rotary brush for washing systems, particularly for vehicles [patent_app_type] => utility [patent_app_number] => 15/446912 [patent_app_country] => US [patent_app_date] => 2017-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 22 [patent_no_of_words] => 2362 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15446912 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/446912
Rotary brush for washing systems, particularly for vehicles Feb 28, 2017 Issued
Array ( [id] => 15071789 [patent_doc_number] => 10465372 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-05 [patent_title] => Drain cleaning tools [patent_app_type] => utility [patent_app_number] => 15/442764 [patent_app_country] => US [patent_app_date] => 2017-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 3196 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15442764 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/442764
Drain cleaning tools Feb 26, 2017 Issued
Array ( [id] => 13924801 [patent_doc_number] => 20190045916 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-14 [patent_title] => METHOD AND SYSTEM FOR A ACHIEVING OPTIMAL ORAL HYGIENE BY MEANS OF FEEDBACK [patent_app_type] => utility [patent_app_number] => 16/078405 [patent_app_country] => US [patent_app_date] => 2017-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7555 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [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] => 16078405 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/078405
Method and system for a achieving optimal oral hygiene by means of feedback Feb 19, 2017 Issued
Array ( [id] => 15161461 [patent_doc_number] => 10486207 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-26 [patent_title] => Closet auger [patent_app_type] => utility [patent_app_number] => 15/435482 [patent_app_country] => US [patent_app_date] => 2017-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 25 [patent_no_of_words] => 6561 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15435482 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/435482
Closet auger Feb 16, 2017 Issued
Array ( [id] => 11849606 [patent_doc_number] => 20170224098 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-10 [patent_title] => 'ADJUSTABLE COSMETIC BRUSH SYSTEM' [patent_app_type] => utility [patent_app_number] => 15/423182 [patent_app_country] => US [patent_app_date] => 2017-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4841 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15423182 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/423182
Adjustable cosmetic brush system Feb 1, 2017 Issued
Array ( [id] => 16262261 [patent_doc_number] => 10753689 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-25 [patent_title] => Conduit pig [patent_app_type] => utility [patent_app_number] => 16/068080 [patent_app_country] => US [patent_app_date] => 2017-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 6558 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16068080 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/068080
Conduit pig Jan 29, 2017 Issued
Array ( [id] => 11833846 [patent_doc_number] => 20170215564 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-08-03 [patent_title] => 'Curling Brush with Improved Pressure Distribution, Snap-Fit Head Assembly, Moulded Brush Pad and Pivot Limiting Means' [patent_app_type] => utility [patent_app_number] => 15/418014 [patent_app_country] => US [patent_app_date] => 2017-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 10448 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15418014 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/418014
Curling Brush with Improved Pressure Distribution, Snap-Fit Head Assembly, Moulded Brush Pad and Pivot Limiting Means Jan 26, 2017 Abandoned
Array ( [id] => 11819994 [patent_doc_number] => 20170208931 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-27 [patent_title] => 'MULTI-SURFACE CLEANING APPARATUS' [patent_app_type] => utility [patent_app_number] => 15/415514 [patent_app_country] => US [patent_app_date] => 2017-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 3931 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15415514 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/415514
MULTI-SURFACE CLEANING APPARATUS Jan 24, 2017 Abandoned
Array ( [id] => 11756563 [patent_doc_number] => 20170203430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-20 [patent_title] => 'HANDLE FOR BROOM OR OTHER TOOL' [patent_app_type] => utility [patent_app_number] => 15/409054 [patent_app_country] => US [patent_app_date] => 2017-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3584 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15409054 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/409054
HANDLE FOR BROOM OR OTHER TOOL Jan 17, 2017 Abandoned
Array ( [id] => 15468065 [patent_doc_number] => 10549894 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-02-04 [patent_title] => Container closure [patent_app_type] => utility [patent_app_number] => 15/402714 [patent_app_country] => US [patent_app_date] => 2017-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 26 [patent_no_of_words] => 3406 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15402714 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/402714
Container closure Jan 9, 2017 Issued
Array ( [id] => 15949411 [patent_doc_number] => 10662598 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-05-26 [patent_title] => Drying device and method [patent_app_type] => utility [patent_app_number] => 15/772415 [patent_app_country] => US [patent_app_date] => 2017-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 19 [patent_no_of_words] => 4326 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15772415 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/772415
Drying device and method Jan 5, 2017 Issued
Array ( [id] => 13822833 [patent_doc_number] => 20190014901 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-17 [patent_title] => Light Emitting Oral Care Implement [patent_app_type] => utility [patent_app_number] => 16/066753 [patent_app_country] => US [patent_app_date] => 2016-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8530 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16066753 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/066753
Light emitting oral care implement Dec 21, 2016 Issued
Array ( [id] => 17376815 [patent_doc_number] => 11234803 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-01 [patent_title] => Electric cleaning and care appliance, pressure alarming method and apparatus for the appliance [patent_app_type] => utility [patent_app_number] => 16/462191 [patent_app_country] => US [patent_app_date] => 2016-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 11844 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 428 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16462191 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/462191
Electric cleaning and care appliance, pressure alarming method and apparatus for the appliance Dec 6, 2016 Issued
Array ( [id] => 13462833 [patent_doc_number] => 20180282959 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-04 [patent_title] => DEVICE FOR COLLECTING DEBRIS [patent_app_type] => utility [patent_app_number] => 15/772387 [patent_app_country] => US [patent_app_date] => 2016-10-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5017 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15772387 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/772387
Device for collecting debris Oct 27, 2016 Issued
Array ( [id] => 16260326 [patent_doc_number] => 10751736 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2020-08-25 [patent_title] => Cleaning apparatus, spherical object cleaning system, and method for cleaning spherical object [patent_app_type] => utility [patent_app_number] => 15/771743 [patent_app_country] => US [patent_app_date] => 2016-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 8269 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15771743 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/771743
Cleaning apparatus, spherical object cleaning system, and method for cleaning spherical object Oct 18, 2016 Issued
Array ( [id] => 13367779 [patent_doc_number] => 20180235430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-23 [patent_title] => WRINGER DEVICE FOR A MOPPING UNIT [patent_app_type] => utility [patent_app_number] => 15/752897 [patent_app_country] => US [patent_app_date] => 2016-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3274 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15752897 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/752897
WRINGER DEVICE FOR A MOPPING UNIT Oct 12, 2016 Abandoned
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