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] => 11567771 [patent_doc_number] => 20170106415 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-04-20 [patent_title] => 'SYSTEM AND METHOD FOR FLUSHING A PUMP' [patent_app_type] => utility [patent_app_number] => 14/884881 [patent_app_country] => US [patent_app_date] => 2015-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2649 [patent_no_of_claims] => 20 [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] => 14884881 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/884881
SYSTEM AND METHOD FOR FLUSHING A PUMP Oct 15, 2015 Abandoned
Array ( [id] => 10755293 [patent_doc_number] => 20160101445 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-14 [patent_title] => 'CALIBRATION OF SEMICONDUCTOR METROLOGY SYSTEMS' [patent_app_type] => utility [patent_app_number] => 14/881847 [patent_app_country] => US [patent_app_date] => 2015-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4774 [patent_no_of_claims] => 20 [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] => 14881847 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/881847
Calibration of semiconductor metrology systems Oct 12, 2015 Issued
Array ( [id] => 10685275 [patent_doc_number] => 20160031419 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-02-04 [patent_title] => 'RECIPROCATING WINDSHIELD WIPER' [patent_app_type] => utility [patent_app_number] => 14/880038 [patent_app_country] => US [patent_app_date] => 2015-10-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 59 [patent_figures_cnt] => 59 [patent_no_of_words] => 30632 [patent_no_of_claims] => 20 [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] => 14880038 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/880038
RECIPROCATING WINDSHIELD WIPER Oct 8, 2015 Abandoned
Array ( [id] => 11798192 [patent_doc_number] => 09538898 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-10 [patent_title] => 'Dishwasher with filter assembly' [patent_app_type] => utility [patent_app_number] => 14/870446 [patent_app_country] => US [patent_app_date] => 2015-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 7580 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [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] => 14870446 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/870446
Dishwasher with filter assembly Sep 29, 2015 Issued
Array ( [id] => 11969374 [patent_doc_number] => 20170273528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-28 [patent_title] => 'VACUUM CLEANER' [patent_app_type] => utility [patent_app_number] => 15/503879 [patent_app_country] => US [patent_app_date] => 2015-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 14901 [patent_no_of_claims] => 23 [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] => 15503879 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/503879
Vacuum cleaner Aug 20, 2015 Issued
Array ( [id] => 10675880 [patent_doc_number] => 20160022025 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-28 [patent_title] => 'CLEANER' [patent_app_type] => utility [patent_app_number] => 14/813050 [patent_app_country] => US [patent_app_date] => 2015-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 1713 [patent_no_of_claims] => 19 [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] => 14813050 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/813050
CLEANER Jul 28, 2015 Abandoned
Array ( [id] => 10428431 [patent_doc_number] => 20150313442 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-05 [patent_title] => 'DISHWASHER APPLIANCE WITH OZONE LEVEL MONITORING' [patent_app_type] => utility [patent_app_number] => 14/795901 [patent_app_country] => US [patent_app_date] => 2015-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4727 [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] => 14795901 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/795901
Dishwasher appliance with ozone level monitoring Jul 9, 2015 Issued
Array ( [id] => 11743522 [patent_doc_number] => 20170197595 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-13 [patent_title] => 'ROBOTIC WHEEL CLEANER' [patent_app_type] => utility [patent_app_number] => 15/324154 [patent_app_country] => US [patent_app_date] => 2015-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 3157 [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] => 15324154 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/324154
Robotic wheel cleaner Jul 6, 2015 Issued
Array ( [id] => 10669088 [patent_doc_number] => 20160015233 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-21 [patent_title] => 'ROBOTIC VACUUM CLEANER HAVING A ROTATING BRUSH ROLLER AND CLEANING METHOD FOR A BRUSH ROLLER OF A ROBOTIC VACUUM CLEANER' [patent_app_type] => utility [patent_app_number] => 14/791498 [patent_app_country] => US [patent_app_date] => 2015-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3002 [patent_no_of_claims] => 8 [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] => 14791498 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/791498
Robotic vacuum cleaner having a rotating brush roller and cleaning method for a brush roller of a robotic vacuum cleaner Jul 5, 2015 Issued
Array ( [id] => 13329007 [patent_doc_number] => 20180216041 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-02 [patent_title] => STAIN REMOVAL THROUGH NOVEL OXIDIZER AND CHELANT COMBINATION [patent_app_type] => utility [patent_app_number] => 15/741685 [patent_app_country] => US [patent_app_date] => 2015-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4978 [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] => 15741685 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/741685
STAIN REMOVAL THROUGH NOVEL OXIDIZER AND CHELANT COMBINATION Jul 5, 2015 Abandoned
Array ( [id] => 14804715 [patent_doc_number] => 10405376 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-03 [patent_title] => Apparatus and method for treating substrate [patent_app_type] => utility [patent_app_number] => 14/789447 [patent_app_country] => US [patent_app_date] => 2015-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 6481 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14789447 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/789447
Apparatus and method for treating substrate Jun 30, 2015 Issued
Array ( [id] => 10655190 [patent_doc_number] => 20160001334 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-07 [patent_title] => 'SUBSTRATE CLEANING METHOD AND SUBSTRATE CLEANING APPARATUS' [patent_app_type] => utility [patent_app_number] => 14/789630 [patent_app_country] => US [patent_app_date] => 2015-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8809 [patent_no_of_claims] => 33 [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] => 14789630 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/789630
SUBSTRATE CLEANING METHOD AND SUBSTRATE CLEANING APPARATUS Jun 30, 2015 Abandoned
Array ( [id] => 10475244 [patent_doc_number] => 20150360261 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-12-17 [patent_title] => 'SYSTEM AND METHOD FOR THE SONIC-ASSISTED CLEANING OF SUBSTRATES UTILIZING A SONIC-TREATED LIQUID' [patent_app_type] => utility [patent_app_number] => 14/753837 [patent_app_country] => US [patent_app_date] => 2015-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 7271 [patent_no_of_claims] => 20 [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] => 14753837 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/753837
SYSTEM AND METHOD FOR THE SONIC-ASSISTED CLEANING OF SUBSTRATES UTILIZING A SONIC-TREATED LIQUID Jun 28, 2015 Abandoned
Array ( [id] => 10418041 [patent_doc_number] => 20150303052 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-10-22 [patent_title] => 'PARALLEL MULTI WAFER AXIAL SPIN CLEAN PROCESSING USING SPIN CASSETTE INSIDE MOVABLE PROCESS CHAMBER' [patent_app_type] => utility [patent_app_number] => 14/754364 [patent_app_country] => US [patent_app_date] => 2015-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4985 [patent_no_of_claims] => 7 [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] => 14754364 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/754364
Parallel multi wafer axial spin clean processing using spin cassette inside movable process chamber Jun 28, 2015 Issued
Array ( [id] => 13673473 [patent_doc_number] => 20160375470 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-29 [patent_title] => Construction Aggregate from Verified Remediated Spoil [patent_app_type] => utility [patent_app_number] => 14/751834 [patent_app_country] => US [patent_app_date] => 2015-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5104 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14751834 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/751834
Construction aggregate from verified remediated spoil Jun 25, 2015 Issued
Array ( [id] => 13194631 [patent_doc_number] => 10112221 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-10-30 [patent_title] => Ultrasonic processing apparatus and method [patent_app_type] => utility [patent_app_number] => 14/749872 [patent_app_country] => US [patent_app_date] => 2015-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 4542 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 297 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14749872 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/749872
Ultrasonic processing apparatus and method Jun 24, 2015 Issued
Array ( [id] => 11125265 [patent_doc_number] => 20160322239 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-03 [patent_title] => 'Methods and Apparatus for Cleaning a Substrate' [patent_app_type] => utility [patent_app_number] => 14/749209 [patent_app_country] => US [patent_app_date] => 2015-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 5625 [patent_no_of_claims] => 20 [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] => 14749209 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/749209
Methods and Apparatus for Cleaning a Substrate Jun 23, 2015 Abandoned
Array ( [id] => 12466917 [patent_doc_number] => 09987548 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-05 [patent_title] => Automatic method for applying non-slip treatment to pin deck of a bowling lane [patent_app_type] => utility [patent_app_number] => 14/748860 [patent_app_country] => US [patent_app_date] => 2015-06-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 4019 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 466 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14748860 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/748860
Automatic method for applying non-slip treatment to pin deck of a bowling lane Jun 23, 2015 Issued
Array ( [id] => 14368197 [patent_doc_number] => 10305419 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-05-28 [patent_title] => Washing system for solar panels [patent_app_type] => utility [patent_app_number] => 14/746643 [patent_app_country] => US [patent_app_date] => 2015-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4170 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14746643 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/746643
Washing system for solar panels Jun 21, 2015 Issued
Array ( [id] => 14950257 [patent_doc_number] => 10436389 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-08 [patent_title] => Processing system [patent_app_type] => utility [patent_app_number] => 14/746354 [patent_app_country] => US [patent_app_date] => 2015-06-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 8698 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14746354 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/746354
Processing system Jun 21, 2015 Issued
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