Search

Randolph I. Chu

Examiner (ID: 19137)

Most Active Art Unit
2666
Art Unit(s)
2666, 2624, 2667, 2668, 2663
Total Applications
984
Issued Applications
751
Pending Applications
70
Abandoned Applications
177

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19227268 [patent_doc_number] => 12006902 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-06-11 [patent_title] => Fuel injector and fuel system having integral filter supported in valve seat plate, and valve seat plate and filter assembly [patent_app_type] => utility [patent_app_number] => 17/191260 [patent_app_country] => US [patent_app_date] => 2021-03-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3715 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17191260 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/191260
Fuel injector and fuel system having integral filter supported in valve seat plate, and valve seat plate and filter assembly Mar 2, 2021 Issued
Array ( [id] => 18418855 [patent_doc_number] => 20230173315 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-08 [patent_title] => FIRE EXTINGUISHING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/416073 [patent_app_country] => US [patent_app_date] => 2021-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9863 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 89 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17416073 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/416073
FIRE EXTINGUISHING SYSTEM Feb 17, 2021 Abandoned
Array ( [id] => 19954103 [patent_doc_number] => 12324498 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-10 [patent_title] => Haircare device [patent_app_type] => utility [patent_app_number] => 17/784938 [patent_app_country] => US [patent_app_date] => 2021-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 0 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17784938 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/784938
Haircare device Jan 28, 2021 Issued
Array ( [id] => 18239872 [patent_doc_number] => 20230072183 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-03-09 [patent_title] => FIRE-EXTINGUISHING SHEET [patent_app_type] => utility [patent_app_number] => 17/794301 [patent_app_country] => US [patent_app_date] => 2021-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2403 [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] => 17794301 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/794301
FIRE-EXTINGUISHING SHEET Jan 20, 2021 Pending
Array ( [id] => 19150339 [patent_doc_number] => 11975229 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-05-07 [patent_title] => Fire suppression system [patent_app_type] => utility [patent_app_number] => 17/153118 [patent_app_country] => US [patent_app_date] => 2021-01-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 11 [patent_no_of_words] => 4748 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17153118 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/153118
Fire suppression system Jan 19, 2021 Issued
Array ( [id] => 18642628 [patent_doc_number] => 11766684 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-09-26 [patent_title] => Fan-shaped air suction spray nozzle automatically adjusting air suction speed [patent_app_type] => utility [patent_app_number] => 17/608995 [patent_app_country] => US [patent_app_date] => 2021-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 4966 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [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] => 17608995 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/608995
Fan-shaped air suction spray nozzle automatically adjusting air suction speed Jan 6, 2021 Issued
Array ( [id] => 17719325 [patent_doc_number] => 20220212044 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => EXTERIOR FIRE SUPPRESSING SYSTEM [patent_app_type] => utility [patent_app_number] => 17/142418 [patent_app_country] => US [patent_app_date] => 2021-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1922 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17142418 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/142418
EXTERIOR FIRE SUPPRESSING SYSTEM Jan 5, 2021 Abandoned
Array ( [id] => 18503878 [patent_doc_number] => 11701674 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-07-18 [patent_title] => Nozzle of a spray gun and method for spraying from spray gun [patent_app_type] => utility [patent_app_number] => 17/133894 [patent_app_country] => US [patent_app_date] => 2020-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 10 [patent_no_of_words] => 2743 [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] => 17133894 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/133894
Nozzle of a spray gun and method for spraying from spray gun Dec 23, 2020 Issued
Array ( [id] => 16914433 [patent_doc_number] => 20210187525 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => ISOLATING VALVE [patent_app_type] => utility [patent_app_number] => 17/119152 [patent_app_country] => US [patent_app_date] => 2020-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 19931 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17119152 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/119152
ISOLATING VALVE Dec 10, 2020 Abandoned
Array ( [id] => 16884235 [patent_doc_number] => 20210170430 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => CLUSTER HEAD NOZZLE FOR SPRAYING A FLUID, ARRANGEMENT HAVING A CLUSTER HEAD NOZZLE AND METHOD FOR PRODUCING A CLUSTER HEAD NOZZLE [patent_app_type] => utility [patent_app_number] => 17/112171 [patent_app_country] => US [patent_app_date] => 2020-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7376 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17112171 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/112171
CLUSTER HEAD NOZZLE FOR SPRAYING A FLUID, ARRANGEMENT HAVING A CLUSTER HEAD NOZZLE AND METHOD FOR PRODUCING A CLUSTER HEAD NOZZLE Dec 3, 2020 Abandoned
Array ( [id] => 17686004 [patent_doc_number] => 20220193296 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => FRAGRANCE DISPENSING EMANATING SUBSTRATE AND METHOD [patent_app_type] => utility [patent_app_number] => 17/604902 [patent_app_country] => US [patent_app_date] => 2020-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4525 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17604902 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/604902
FRAGRANCE DISPENSING EMANATING SUBSTRATE AND METHOD Dec 1, 2020 Pending
Array ( [id] => 17642697 [patent_doc_number] => 20220170435 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => FUEL INJECTOR NOZZLE [patent_app_type] => utility [patent_app_number] => 17/108900 [patent_app_country] => US [patent_app_date] => 2020-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4383 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17108900 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/108900
FUEL INJECTOR NOZZLE Nov 30, 2020 Abandoned
Array ( [id] => 16674036 [patent_doc_number] => 20210062799 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => AGRICULTURAL PLANT PROTECTION MACHINES AND DIAPHRAGM PUMPS THEREOF [patent_app_type] => utility [patent_app_number] => 17/096800 [patent_app_country] => US [patent_app_date] => 2020-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13814 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 184 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17096800 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/096800
AGRICULTURAL PLANT PROTECTION MACHINES AND DIAPHRAGM PUMPS THEREOF Nov 11, 2020 Abandoned
Array ( [id] => 17480753 [patent_doc_number] => 20220088257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-24 [patent_title] => ATOMIZATION DEVICE AND AROMA DIFFUSER [patent_app_type] => utility [patent_app_number] => 17/087679 [patent_app_country] => US [patent_app_date] => 2020-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4131 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17087679 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/087679
ATOMIZATION DEVICE AND AROMA DIFFUSER Nov 2, 2020 Abandoned
Array ( [id] => 18062214 [patent_doc_number] => 20220393301 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-08 [patent_title] => SYSTEMS AND METHODS FOR IMPROVED FLUID GUN DELIVERY SYSTEMS [patent_app_type] => utility [patent_app_number] => 17/772714 [patent_app_country] => US [patent_app_date] => 2020-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5220 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 86 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17772714 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/772714
SYSTEMS AND METHODS FOR IMPROVED FLUID GUN DELIVERY SYSTEMS Oct 29, 2020 Pending
Array ( [id] => 18466089 [patent_doc_number] => 20230200368 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-29 [patent_title] => LIQUID SPREADER [patent_app_type] => utility [patent_app_number] => 17/925954 [patent_app_country] => US [patent_app_date] => 2020-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8150 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17925954 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/925954
LIQUID SPREADER Sep 28, 2020 Pending
Array ( [id] => 18740393 [patent_doc_number] => 20230349370 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-02 [patent_title] => PRESSURE WASHER APPARATUS [patent_app_type] => utility [patent_app_number] => 17/753925 [patent_app_country] => US [patent_app_date] => 2020-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7357 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -22 [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] => 17753925 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/753925
PRESSURE WASHER APPARATUS Sep 17, 2020 Abandoned
Array ( [id] => 17472732 [patent_doc_number] => 20220080236 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-17 [patent_title] => FIRE SUPPRESSION SYSTEM [patent_app_type] => utility [patent_app_number] => 17/020597 [patent_app_country] => US [patent_app_date] => 2020-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5912 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17020597 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/020597
FIRE SUPPRESSION SYSTEM Sep 13, 2020 Abandoned
Array ( [id] => 17459266 [patent_doc_number] => 20220072571 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-03-10 [patent_title] => Sprayer for Providing a Helical Spray [patent_app_type] => utility [patent_app_number] => 17/015620 [patent_app_country] => US [patent_app_date] => 2020-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1905 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17015620 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/015620
Sprayer for Providing a Helical Spray Sep 8, 2020 Abandoned
Array ( [id] => 17806349 [patent_doc_number] => 20220258184 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => A FLEXIBLE FILM FLUID-DISPENSING LINER MEMBER [patent_app_type] => utility [patent_app_number] => 17/597612 [patent_app_country] => US [patent_app_date] => 2020-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8924 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [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] => 17597612 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/597612
A FLEXIBLE FILM FLUID-DISPENSING LINER MEMBER Aug 31, 2020 Pending
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