Search

Jay C Chang

Examiner (ID: 9244, Phone: (571)272-6132 , Office: P/2895 )

Most Active Art Unit
2895
Art Unit(s)
2817, 2895
Total Applications
599
Issued Applications
443
Pending Applications
60
Abandoned Applications
96

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17035573 [patent_doc_number] => 20210252531 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-19 [patent_title] => NOZZLE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/155239 [patent_app_country] => US [patent_app_date] => 2021-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10088 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17155239 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/155239
Nozzle assembly Jan 21, 2021 Issued
Array ( [id] => 17748643 [patent_doc_number] => 20220226846 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-21 [patent_title] => WATER SPRAYER HEAD [patent_app_type] => utility [patent_app_number] => 17/151470 [patent_app_country] => US [patent_app_date] => 2021-01-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 949 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17151470 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/151470
WATER SPRAYER HEAD Jan 17, 2021 Pending
Array ( [id] => 16976612 [patent_doc_number] => 20210220849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-22 [patent_title] => SERVICEABLE SPRINKLER WITH NUTATING DISTRIBUTION PLATE AND WEAR SLEEVE [patent_app_type] => utility [patent_app_number] => 17/142070 [patent_app_country] => US [patent_app_date] => 2021-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14223 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17142070 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/142070
Serviceable sprinkler with nutating distribution plate and wear sleeve Jan 4, 2021 Issued
Array ( [id] => 17866413 [patent_doc_number] => 20220289148 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-15 [patent_title] => Vehicle Cleaning System [patent_app_type] => utility [patent_app_number] => 17/130251 [patent_app_country] => US [patent_app_date] => 2020-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1573 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17130251 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/130251
Vehicle Cleaning System Dec 21, 2020 Pending
Array ( [id] => 16915434 [patent_doc_number] => 20210188526 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => DISPENSER AND METHODS OF MAKING AND USING SAME [patent_app_type] => utility [patent_app_number] => 17/121180 [patent_app_country] => US [patent_app_date] => 2020-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1551 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17121180 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/121180
DISPENSER AND METHODS OF MAKING AND USING SAME Dec 13, 2020 Abandoned
Array ( [id] => 17177651 [patent_doc_number] => 11154880 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-26 [patent_title] => Nutating sprinkler head [patent_app_type] => utility [patent_app_number] => 17/116710 [patent_app_country] => US [patent_app_date] => 2020-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 4438 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 314 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17116710 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/116710
Nutating sprinkler head Dec 8, 2020 Issued
Array ( [id] => 17110606 [patent_doc_number] => 20210291203 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-23 [patent_title] => DIGITAL MIST NOZZLE STRUCTURE [patent_app_type] => utility [patent_app_number] => 17/111694 [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] => 2101 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17111694 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/111694
DIGITAL MIST NOZZLE STRUCTURE Dec 3, 2020 Abandoned
Array ( [id] => 16868967 [patent_doc_number] => 20210162434 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => ELECTROSTATIC ROTARY PROJECTOR FOR COATING PRODUCT AND SPRAYING INSTALLATION COMPRISING SUCH A PROJECTOR [patent_app_type] => utility [patent_app_number] => 17/106103 [patent_app_country] => US [patent_app_date] => 2020-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6739 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17106103 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/106103
ELECTROSTATIC ROTARY PROJECTOR FOR COATING PRODUCT AND SPRAYING INSTALLATION COMPRISING SUCH A PROJECTOR Nov 27, 2020 Pending
Array ( [id] => 17981466 [patent_doc_number] => 20220347502 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-11-03 [patent_title] => DELUGE SYSTEM [patent_app_type] => utility [patent_app_number] => 17/104729 [patent_app_country] => US [patent_app_date] => 2020-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5491 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [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] => 17104729 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/104729
DELUGE SYSTEM Nov 24, 2020 Pending
Array ( [id] => 16710503 [patent_doc_number] => 20210077650 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => WICK-BASED VOLATILE SUBSTANCE DIFFUSER [patent_app_type] => utility [patent_app_number] => 17/104058 [patent_app_country] => US [patent_app_date] => 2020-11-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7320 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17104058 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/104058
WICK-BASED VOLATILE SUBSTANCE DIFFUSER Nov 24, 2020 Pending
Array ( [id] => 18853061 [patent_doc_number] => 11850618 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-26 [patent_title] => Nozzle assembly, ejecting device and ejecting method [patent_app_type] => utility [patent_app_number] => 17/254722 [patent_app_country] => US [patent_app_date] => 2020-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 8223 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17254722 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/254722
Nozzle assembly, ejecting device and ejecting method Nov 23, 2020 Issued
Array ( [id] => 16884231 [patent_doc_number] => 20210170426 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-10 [patent_title] => TIP PIECE FOR SPRAY TIP [patent_app_type] => utility [patent_app_number] => 16/949824 [patent_app_country] => US [patent_app_date] => 2020-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3777 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16949824 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/949824
TIP PIECE FOR SPRAY TIP Nov 15, 2020 Pending
Array ( [id] => 16823854 [patent_doc_number] => 20210139147 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => AERIAL FLUID DISPERSAL SYSTEMS INCLUDING ELECTRICALLY AND MECHANICALLY ACTUATED VALVES [patent_app_type] => utility [patent_app_number] => 16/949655 [patent_app_country] => US [patent_app_date] => 2020-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6150 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16949655 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/949655
AERIAL FLUID DISPERSAL SYSTEMS INCLUDING ELECTRICALLY AND MECHANICALLY ACTUATED VALVES Nov 8, 2020 Pending
Array ( [id] => 16838376 [patent_doc_number] => 20210146388 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-20 [patent_title] => AERIAL BOOM WITH THROUGH-FAN SPRAY AND RELATED METHODS AND VEHICLES [patent_app_type] => utility [patent_app_number] => 17/089430 [patent_app_country] => US [patent_app_date] => 2020-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12226 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17089430 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/089430
AERIAL BOOM WITH THROUGH-FAN SPRAY AND RELATED METHODS AND VEHICLES Nov 3, 2020 Pending
Array ( [id] => 16619075 [patent_doc_number] => 20210037728 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-11 [patent_title] => DRIP EMITTER [patent_app_type] => utility [patent_app_number] => 17/077244 [patent_app_country] => US [patent_app_date] => 2020-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6680 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17077244 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/077244
DRIP EMITTER Oct 21, 2020 Pending
Array ( [id] => 16749151 [patent_doc_number] => 20210101160 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-08 [patent_title] => SPRAY WAND [patent_app_type] => utility [patent_app_number] => 17/062054 [patent_app_country] => US [patent_app_date] => 2020-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3684 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 66 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17062054 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/062054
SPRAY WAND Oct 1, 2020 Abandoned
Array ( [id] => 17519678 [patent_doc_number] => 20220105526 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-07 [patent_title] => SHOWERHEAD ASSEMBLY WITH SEQUENTIALLY PULSING NOZZLE SETS [patent_app_type] => utility [patent_app_number] => 17/061178 [patent_app_country] => US [patent_app_date] => 2020-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3765 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 415 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17061178 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/061178
Showerhead assembly with sequentially pulsing nozzle sets Sep 30, 2020 Issued
Array ( [id] => 16726910 [patent_doc_number] => 20210094057 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-01 [patent_title] => Adjustable Sprinkler Housing [patent_app_type] => utility [patent_app_number] => 16/948610 [patent_app_country] => US [patent_app_date] => 2020-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2605 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 74 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16948610 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/948610
Adjustable Sprinkler Housing Sep 23, 2020 Abandoned
Array ( [id] => 17313187 [patent_doc_number] => 20210402235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-30 [patent_title] => QUINT CONFIGURATION FIRE APPARATUS [patent_app_type] => utility [patent_app_number] => 17/029706 [patent_app_country] => US [patent_app_date] => 2020-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8416 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17029706 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/029706
Quint configuration fire apparatus Sep 22, 2020 Issued
Array ( [id] => 16541772 [patent_doc_number] => 20200408185 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-31 [patent_title] => FLUID FLOW ACTUATED TOOL [patent_app_type] => utility [patent_app_number] => 17/019487 [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] => 8198 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17019487 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/019487
Fluid flow actuated tool Sep 13, 2020 Issued
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