Search

Hoi Ching Lau

Examiner (ID: 1833, Phone: (571)272-8547 , Office: P/2682 )

Most Active Art Unit
2689
Art Unit(s)
2636, 2612, 2682, 2689
Total Applications
1489
Issued Applications
1110
Pending Applications
82
Abandoned Applications
319

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 10978949 [patent_doc_number] => 20160175892 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-23 [patent_title] => 'METHOD FOR CLEANING RESPIRATORS' [patent_app_type] => utility [patent_app_number] => 15/057496 [patent_app_country] => US [patent_app_date] => 2016-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 12086 [patent_no_of_claims] => 27 [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] => 15057496 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/057496
Method for cleaning respirators Feb 29, 2016 Issued
Array ( [id] => 13791541 [patent_doc_number] => 20190009309 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-10 [patent_title] => MODULAR POWER WASHER SYSTEM, METHOD AND KIT THEREFOR [patent_app_type] => utility [patent_app_number] => 16/065980 [patent_app_country] => US [patent_app_date] => 2016-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4295 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16065980 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/065980
Modular power washer system, method and kit therefor Feb 21, 2016 Issued
Array ( [id] => 17362921 [patent_doc_number] => 11229930 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-25 [patent_title] => Washing system and methods of use [patent_app_type] => utility [patent_app_number] => 15/046829 [patent_app_country] => US [patent_app_date] => 2016-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 6800 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15046829 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/046829
Washing system and methods of use Feb 17, 2016 Issued
Array ( [id] => 17193985 [patent_doc_number] => 11162733 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-02 [patent_title] => Lance unblocking method and apparatus [patent_app_type] => utility [patent_app_number] => 15/551526 [patent_app_country] => US [patent_app_date] => 2016-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 6238 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15551526 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/551526
Lance unblocking method and apparatus Feb 15, 2016 Issued
Array ( [id] => 14290925 [patent_doc_number] => 10285564 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-05-14 [patent_title] => Pipette tip washing device [patent_app_type] => utility [patent_app_number] => 15/042578 [patent_app_country] => US [patent_app_date] => 2016-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 35 [patent_figures_cnt] => 38 [patent_no_of_words] => 10849 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15042578 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/042578
Pipette tip washing device Feb 11, 2016 Issued
Array ( [id] => 12184106 [patent_doc_number] => 20180043042 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-15 [patent_title] => 'METHOD AND TREATMENT STATION FOR HEATING AND STERILIZED KEGS IN PARTICULAR REUSEABLE KEGS' [patent_app_type] => utility [patent_app_number] => 15/552378 [patent_app_country] => US [patent_app_date] => 2016-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2613 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [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] => 15552378 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/552378
METHOD AND TREATMENT STATION FOR HEATING AND STERILIZED KEGS IN PARTICULAR REUSEABLE KEGS Feb 2, 2016 Abandoned
Array ( [id] => 13868467 [patent_doc_number] => 20190030574 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-01-31 [patent_title] => INDUSTRIAL CLEANING INSTALLATION WITH A FILTER ARRANGEMENT AND CORRESPONDING PROCESS [patent_app_type] => utility [patent_app_number] => 16/073054 [patent_app_country] => US [patent_app_date] => 2016-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3390 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16073054 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/073054
INDUSTRIAL CLEANING INSTALLATION WITH A FILTER ARRANGEMENT AND CORRESPONDING PROCESS Jan 29, 2016 Abandoned
Array ( [id] => 10812647 [patent_doc_number] => 20160158807 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-09 [patent_title] => 'DEBRIS REMOVAL FROM HIGH ASPECT STRUCTURES' [patent_app_type] => utility [patent_app_number] => 15/011411 [patent_app_country] => US [patent_app_date] => 2016-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 11540 [patent_no_of_claims] => 18 [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] => 15011411 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/011411
Debris removal from high aspect structures Jan 28, 2016 Issued
Array ( [id] => 10791016 [patent_doc_number] => 20160137172 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-19 [patent_title] => 'Method of Cleaning Underside of Wheeled Outdoor Equipment' [patent_app_type] => utility [patent_app_number] => 15/008642 [patent_app_country] => US [patent_app_date] => 2016-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2513 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [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] => 15008642 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/008642
Method of cleaning underside of wheeled outdoor equipment Jan 27, 2016 Issued
Array ( [id] => 12156774 [patent_doc_number] => 20180028039 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-01 [patent_title] => 'LIQUID DISPENSING CLEANING SYSTEM AND METHODS OF USE' [patent_app_type] => utility [patent_app_number] => 15/551051 [patent_app_country] => US [patent_app_date] => 2016-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 7555 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [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] => 15551051 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/551051
LIQUID DISPENSING CLEANING SYSTEM AND METHODS OF USE Jan 19, 2016 Abandoned
Array ( [id] => 10791382 [patent_doc_number] => 20160137538 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-19 [patent_title] => 'METHODS AND APPARATUS FOR CONTROLLING WATER HARDNESS' [patent_app_type] => utility [patent_app_number] => 15/000919 [patent_app_country] => US [patent_app_date] => 2016-01-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 20 [patent_no_of_words] => 12701 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 7 [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] => 15000919 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/000919
METHODS AND APPARATUS FOR CONTROLLING WATER HARDNESS Jan 18, 2016 Abandoned
Array ( [id] => 10989658 [patent_doc_number] => 20160186602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-30 [patent_title] => 'NOZZLE FOR FOAM WASHING OF JET ENGINE' [patent_app_type] => utility [patent_app_number] => 14/985940 [patent_app_country] => US [patent_app_date] => 2015-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 8622 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 3 [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] => 14985940 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/985940
NOZZLE FOR FOAM WASHING OF JET ENGINE Dec 30, 2015 Abandoned
Array ( [id] => 11183949 [patent_doc_number] => 09415334 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-08-16 [patent_title] => 'Air filter reconditioning apparatus and method' [patent_app_type] => utility [patent_app_number] => 14/979396 [patent_app_country] => US [patent_app_date] => 2015-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 27 [patent_no_of_words] => 8567 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 494 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14979396 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/979396
Air filter reconditioning apparatus and method Dec 26, 2015 Issued
Array ( [id] => 11442357 [patent_doc_number] => 20170043378 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-02-16 [patent_title] => 'APPARATUS TO IMPROVE THE PERFORMANCE OF A LEACHED CUTTER' [patent_app_type] => utility [patent_app_number] => 14/974063 [patent_app_country] => US [patent_app_date] => 2015-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 10181 [patent_no_of_claims] => 10 [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] => 14974063 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/974063
APPARATUS TO IMPROVE THE PERFORMANCE OF A LEACHED CUTTER Dec 17, 2015 Abandoned
Array ( [id] => 10732947 [patent_doc_number] => 20160079097 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-17 [patent_title] => 'APPARATUS FOR PROCESSING SEMICONDUCTOR WAFERS, IN PARTICULAR FOR CARRYING OUT A POLYMERS REMOVAL PROCESS STEP' [patent_app_type] => utility [patent_app_number] => 14/952076 [patent_app_country] => US [patent_app_date] => 2015-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4693 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [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] => 14952076 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/952076
Apparatus for processing semiconductor wafers, in particular for carrying out a polymers removal process step Nov 24, 2015 Issued
Array ( [id] => 10812653 [patent_doc_number] => 20160158813 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-09 [patent_title] => 'CLEANING ASSEMBLY AND METHOD FOR A SHAFT' [patent_app_type] => utility [patent_app_number] => 14/942231 [patent_app_country] => US [patent_app_date] => 2015-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2919 [patent_no_of_claims] => 15 [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] => 14942231 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/942231
CLEANING ASSEMBLY AND METHOD FOR A SHAFT Nov 15, 2015 Abandoned
Array ( [id] => 12977401 [patent_doc_number] => 20170341262 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-30 [patent_title] => WOOD-THAWING INSTALLATION [patent_app_type] => utility [patent_app_number] => 15/524900 [patent_app_country] => US [patent_app_date] => 2015-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4190 [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] => 15524900 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/524900
WOOD-THAWING INSTALLATION Nov 5, 2015 Abandoned
Array ( [id] => 10775216 [patent_doc_number] => 20160121372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-05-05 [patent_title] => 'CLEANING PROCESS AND CLEANING DEVICE FOR ONE OR MORE PARTS OF AN APPLICATION SYSTEM' [patent_app_type] => utility [patent_app_number] => 14/933202 [patent_app_country] => US [patent_app_date] => 2015-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4586 [patent_no_of_claims] => 15 [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] => 14933202 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/933202
CLEANING PROCESS AND CLEANING DEVICE FOR ONE OR MORE PARTS OF AN APPLICATION SYSTEM Nov 4, 2015 Abandoned
Array ( [id] => 16649146 [patent_doc_number] => 10926303 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-02-23 [patent_title] => Method and apparatus for cleaning a tube [patent_app_type] => utility [patent_app_number] => 14/919455 [patent_app_country] => US [patent_app_date] => 2015-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3240 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14919455 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/919455
Method and apparatus for cleaning a tube Oct 20, 2015 Issued
Array ( [id] => 12026861 [patent_doc_number] => 20170316960 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-11-02 [patent_title] => 'SUBSTRATE CLEANING APPARATUS AND SUBSTRATE CLEANING METHOD' [patent_app_type] => utility [patent_app_number] => 15/523078 [patent_app_country] => US [patent_app_date] => 2015-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 8951 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [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] => 15523078 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/523078
Substrate cleaning apparatus and substrate cleaning method Oct 19, 2015 Issued
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