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] => 15584571 [patent_doc_number] => 20200068820 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-05 [patent_title] => IRRIGATION SYSTEM [patent_app_type] => utility [patent_app_number] => 16/514058 [patent_app_country] => US [patent_app_date] => 2019-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3189 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16514058 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/514058
IRRIGATION SYSTEM Jul 16, 2019 Abandoned
Array ( [id] => 17420450 [patent_doc_number] => 11253885 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-22 [patent_title] => Aseptic aerosol misting device [patent_app_type] => utility [patent_app_number] => 16/506676 [patent_app_country] => US [patent_app_date] => 2019-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2222 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16506676 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/506676
Aseptic aerosol misting device Jul 8, 2019 Issued
Array ( [id] => 16931114 [patent_doc_number] => 20210197003 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-01 [patent_title] => SPRINKLER AND SPRINKLER SYSTEM INCLUDING SAME [patent_app_type] => utility [patent_app_number] => 17/058790 [patent_app_country] => US [patent_app_date] => 2019-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2910 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17058790 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/058790
SPRINKLER AND SPRINKLER SYSTEM INCLUDING SAME Jun 30, 2019 Pending
Array ( [id] => 16522899 [patent_doc_number] => 20200396979 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => Internally Bonded Hinge Castings In Composite Boom Structure [patent_app_type] => utility [patent_app_number] => 16/444020 [patent_app_country] => US [patent_app_date] => 2019-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4250 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16444020 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/444020
Internally bonded hinge castings in composite boom structure Jun 17, 2019 Issued
Array ( [id] => 15021689 [patent_doc_number] => 20190321849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-24 [patent_title] => FALLING-WATER MUFFLING DEVICE AND AN ATOMIZER [patent_app_type] => utility [patent_app_number] => 16/439758 [patent_app_country] => US [patent_app_date] => 2019-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4599 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16439758 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/439758
FALLING-WATER MUFFLING DEVICE AND AN ATOMIZER Jun 12, 2019 Abandoned
Array ( [id] => 17496662 [patent_doc_number] => 11285347 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-29 [patent_title] => Cartridge monitoring system [patent_app_type] => utility [patent_app_number] => 16/435273 [patent_app_country] => US [patent_app_date] => 2019-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 17 [patent_no_of_words] => 10862 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16435273 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/435273
Cartridge monitoring system Jun 6, 2019 Issued
Array ( [id] => 17814632 [patent_doc_number] => 11420223 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-23 [patent_title] => High pressure spray head [patent_app_type] => utility [patent_app_number] => 16/434831 [patent_app_country] => US [patent_app_date] => 2019-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2082 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16434831 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/434831
High pressure spray head Jun 6, 2019 Issued
Array ( [id] => 14927175 [patent_doc_number] => 20190299225 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-10-03 [patent_title] => Liquid-Jet Nozzle [patent_app_type] => utility [patent_app_number] => 16/434517 [patent_app_country] => US [patent_app_date] => 2019-06-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2812 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16434517 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/434517
Liquid-Jet Nozzle Jun 6, 2019 Abandoned
Array ( [id] => 16505231 [patent_doc_number] => 20200384487 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => Shower Head Assembly [patent_app_type] => utility [patent_app_number] => 16/433815 [patent_app_country] => US [patent_app_date] => 2019-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1749 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16433815 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/433815
Shower Head Assembly Jun 5, 2019 Abandoned
Array ( [id] => 16505039 [patent_doc_number] => 20200384295 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => AUTOMATIC FIRE EXTINGUISHING DEVICE [patent_app_type] => utility [patent_app_number] => 16/433343 [patent_app_country] => US [patent_app_date] => 2019-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2195 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16433343 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/433343
AUTOMATIC FIRE EXTINGUISHING DEVICE Jun 5, 2019 Abandoned
Array ( [id] => 16505038 [patent_doc_number] => 20200384294 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-10 [patent_title] => SWEEPING AND FIRE EXTINGUISHING DEVICE [patent_app_type] => utility [patent_app_number] => 16/433310 [patent_app_country] => US [patent_app_date] => 2019-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2470 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16433310 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/433310
Sweeping and fire extinguishing device Jun 5, 2019 Issued
Array ( [id] => 15650741 [patent_doc_number] => 20200087900 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-19 [patent_title] => FAUCET WITH WAND AND WAND ACCESSORY [patent_app_type] => utility [patent_app_number] => 16/428691 [patent_app_country] => US [patent_app_date] => 2019-05-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 312 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16428691 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/428691
FAUCET WITH WAND AND WAND ACCESSORY May 30, 2019 Abandoned
Array ( [id] => 16823199 [patent_doc_number] => 20210138492 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-05-13 [patent_title] => Nutating liquid-emitting device and combination thereof with an anti-nutating adaptation kit [patent_app_type] => utility [patent_app_number] => 17/057648 [patent_app_country] => US [patent_app_date] => 2019-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3705 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17057648 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/057648
Nutating liquid-emitting device and combination thereof with an anti-nutating adaptation kit May 29, 2019 Issued
Array ( [id] => 16482904 [patent_doc_number] => 20200376504 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-03 [patent_title] => MULTIFUNCTIONAL PULL-OUT SPRAY HEAD [patent_app_type] => utility [patent_app_number] => 16/425948 [patent_app_country] => US [patent_app_date] => 2019-05-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7160 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 820 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16425948 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/425948
Multifunctional pull-out spray head May 29, 2019 Issued
Array ( [id] => 16451322 [patent_doc_number] => 20200360748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-19 [patent_title] => Fire Sprinkler Station Mobile [patent_app_type] => utility [patent_app_number] => 16/416155 [patent_app_country] => US [patent_app_date] => 2019-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1481 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16416155 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/416155
Fire Sprinkler Station Mobile May 17, 2019 Abandoned
Array ( [id] => 17066308 [patent_doc_number] => 20210268523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => SPRAY DEVICE FOR GENERATING A MICRO-JET SPRAY [patent_app_type] => utility [patent_app_number] => 17/055214 [patent_app_country] => US [patent_app_date] => 2019-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5415 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 233 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17055214 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/055214
SPRAY DEVICE FOR GENERATING A MICRO-JET SPRAY May 15, 2019 Pending
Array ( [id] => 14775491 [patent_doc_number] => 20190262643 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-08-29 [patent_title] => FIRE APPARATUS PIERCING TIP RANGING AND ALIGNMENT SYSTEM [patent_app_type] => utility [patent_app_number] => 16/409315 [patent_app_country] => US [patent_app_date] => 2019-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10900 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16409315 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/409315
Fire apparatus piercing tip ranging and alignment system May 9, 2019 Issued
Array ( [id] => 17329468 [patent_doc_number] => 11219912 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-11 [patent_title] => Plugged sprayer/spreader detection using electromagnetic radiation [patent_app_type] => utility [patent_app_number] => 16/401628 [patent_app_country] => US [patent_app_date] => 2019-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 20 [patent_no_of_words] => 9378 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16401628 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/401628
Plugged sprayer/spreader detection using electromagnetic radiation May 1, 2019 Issued
Array ( [id] => 17176818 [patent_doc_number] => 11154045 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-10-26 [patent_title] => Agricultural sprayer boom [patent_app_type] => utility [patent_app_number] => 16/394132 [patent_app_country] => US [patent_app_date] => 2019-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 34 [patent_no_of_words] => 8760 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16394132 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/394132
Agricultural sprayer boom Apr 24, 2019 Issued
Array ( [id] => 18665191 [patent_doc_number] => 11772057 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-10-03 [patent_title] => Fine bubble generating device [patent_app_type] => utility [patent_app_number] => 17/045589 [patent_app_country] => US [patent_app_date] => 2019-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 10382 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 542 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17045589 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/045589
Fine bubble generating device Apr 24, 2019 Issued
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