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] => 18793439 [patent_doc_number] => 11827188 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-11-28 [patent_title] => Foreign material removing device and vehicle provided with this foreign material removing device [patent_app_type] => utility [patent_app_number] => 17/394559 [patent_app_country] => US [patent_app_date] => 2021-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 8167 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17394559 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/394559
Foreign material removing device and vehicle provided with this foreign material removing device Aug 4, 2021 Issued
Array ( [id] => 17298366 [patent_doc_number] => 20210394205 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => FOGGING SPRAYER NOZZLE [patent_app_type] => utility [patent_app_number] => 17/346408 [patent_app_country] => US [patent_app_date] => 2021-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2609 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17346408 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/346408
FOGGING SPRAYER NOZZLE Jun 13, 2021 Abandoned
Array ( [id] => 17242424 [patent_doc_number] => 20210362167 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-25 [patent_title] => FLOW MODULATION DEVICE FOR DISPENSING PRESSURIZED FLUIDS [patent_app_type] => utility [patent_app_number] => 17/343178 [patent_app_country] => US [patent_app_date] => 2021-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10290 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17343178 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/343178
FLOW MODULATION DEVICE FOR DISPENSING PRESSURIZED FLUIDS Jun 8, 2021 Pending
Array ( [id] => 18034748 [patent_doc_number] => 20220378963 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-12-01 [patent_title] => HAND-HELD OPERATOPM CLEANING, STERIIZATION AND DISINFECTION ATOMIZING DIFFUSER [patent_app_type] => utility [patent_app_number] => 17/330314 [patent_app_country] => US [patent_app_date] => 2021-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4316 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 410 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17330314 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/330314
HAND-HELD OPERATOPM CLEANING, STERIIZATION AND DISINFECTION ATOMIZING DIFFUSER May 24, 2021 Pending
Array ( [id] => 17051179 [patent_doc_number] => 20210260613 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-08-26 [patent_title] => Device For Distributing Liquid In The Form Of Drops [patent_app_type] => utility [patent_app_number] => 17/318729 [patent_app_country] => US [patent_app_date] => 2021-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2471 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 17318729 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/318729
Device For Distributing Liquid In The Form Of Drops May 11, 2021 Pending
Array ( [id] => 17155271 [patent_doc_number] => 20210316322 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-14 [patent_title] => Shower Head Assembly [patent_app_type] => utility [patent_app_number] => 17/244303 [patent_app_country] => US [patent_app_date] => 2021-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2750 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 597 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17244303 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/244303
Shower Head Assembly Apr 28, 2021 Pending
Array ( [id] => 18800391 [patent_doc_number] => 11833537 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-12-05 [patent_title] => Rotating sprinkler [patent_app_type] => utility [patent_app_number] => 17/243010 [patent_app_country] => US [patent_app_date] => 2021-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 18 [patent_no_of_words] => 3463 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17243010 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/243010
Rotating sprinkler Apr 27, 2021 Issued
Array ( [id] => 17167912 [patent_doc_number] => 20210321582 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-10-21 [patent_title] => CLOG RESISTANT PRESSURE COMPENSATING NOZZLE FOR DRIP IRRIGATION [patent_app_type] => utility [patent_app_number] => 17/232899 [patent_app_country] => US [patent_app_date] => 2021-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7452 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17232899 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/232899
CLOG RESISTANT PRESSURE COMPENSATING NOZZLE FOR DRIP IRRIGATION Apr 15, 2021 Pending
Array ( [id] => 18289189 [patent_doc_number] => 11618047 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-04-04 [patent_title] => Low-cost intelligent integrated spraying pressure and flow detection device and method [patent_app_type] => utility [patent_app_number] => 17/604445 [patent_app_country] => US [patent_app_date] => 2021-04-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 8591 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 436 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17604445 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/604445
Low-cost intelligent integrated spraying pressure and flow detection device and method Apr 12, 2021 Issued
Array ( [id] => 17928859 [patent_doc_number] => 20220323984 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-13 [patent_title] => Sprinkler Clamp Assembly [patent_app_type] => utility [patent_app_number] => 17/225293 [patent_app_country] => US [patent_app_date] => 2021-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1605 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17225293 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/225293
Sprinkler Clamp Assembly Apr 7, 2021 Abandoned
Array ( [id] => 17910518 [patent_doc_number] => 20220312912 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-06 [patent_title] => Atomizing Cooling Structure Attachable to an Umbrella [patent_app_type] => utility [patent_app_number] => 17/222309 [patent_app_country] => US [patent_app_date] => 2021-04-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1333 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [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] => 17222309 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/222309
Atomizing Cooling Structure Attachable to an Umbrella Apr 4, 2021 Pending
Array ( [id] => 17124920 [patent_doc_number] => 20210299688 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-30 [patent_title] => RECYCLABLE VACUUM-DRIVEN DISPENSER [patent_app_type] => utility [patent_app_number] => 17/218929 [patent_app_country] => US [patent_app_date] => 2021-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7081 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17218929 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/218929
RECYCLABLE VACUUM-DRIVEN DISPENSER Mar 30, 2021 Pending
Array ( [id] => 16947142 [patent_doc_number] => 20210205833 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-08 [patent_title] => HANGING CONNECTOR FOR FLEXIBLE SPRINKLER CONDUIT [patent_app_type] => utility [patent_app_number] => 17/210594 [patent_app_country] => US [patent_app_date] => 2021-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3967 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17210594 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/210594
HANGING CONNECTOR FOR FLEXIBLE SPRINKLER CONDUIT Mar 23, 2021 Pending
Array ( [id] => 17213559 [patent_doc_number] => 20210346895 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => NOZZLE ASSEMBLY FOR DELIVERING AN OSCILLATING SPRAY PATTERN [patent_app_type] => utility [patent_app_number] => 17/204251 [patent_app_country] => US [patent_app_date] => 2021-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13515 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17204251 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/204251
NOZZLE ASSEMBLY FOR DELIVERING AN OSCILLATING SPRAY PATTERN Mar 16, 2021 Pending
Array ( [id] => 17213567 [patent_doc_number] => 20210346903 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-11-11 [patent_title] => FLUID DISPENSING SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 17/189526 [patent_app_country] => US [patent_app_date] => 2021-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6610 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17189526 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/189526
FLUID DISPENSING SYSTEM AND METHOD Mar 1, 2021 Pending
Array ( [id] => 16900117 [patent_doc_number] => 20210179033 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-17 [patent_title] => SYSTEM FOR WASHING MOTOR VEHICLE HEADLIGHTS [patent_app_type] => utility [patent_app_number] => 17/183458 [patent_app_country] => US [patent_app_date] => 2021-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1051 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17183458 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/183458
System for washing motor vehicle headlights Feb 23, 2021 Issued
Array ( [id] => 17828969 [patent_doc_number] => 20220266273 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-25 [patent_title] => POWDER COATING SPRAY GUN RESERVOIR ASSEMBLY [patent_app_type] => utility [patent_app_number] => 17/180196 [patent_app_country] => US [patent_app_date] => 2021-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6270 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17180196 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/180196
POWDER COATING SPRAY GUN RESERVOIR ASSEMBLY Feb 18, 2021 Pending
Array ( [id] => 17804952 [patent_doc_number] => 20220256787 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => LIQUID FLOW CONTROLLER FOR ANCILLARY SPAN ZONES [patent_app_type] => utility [patent_app_number] => 17/179112 [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] => 10770 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17179112 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/179112
LIQUID FLOW CONTROLLER FOR ANCILLARY SPAN ZONES Feb 17, 2021 Pending
Array ( [id] => 17719492 [patent_doc_number] => 20220212211 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-07 [patent_title] => JET CARTRIDGES FOR JETTING FLUID MATERIAL, AND RELATED METHODS [patent_app_type] => utility [patent_app_number] => 17/177401 [patent_app_country] => US [patent_app_date] => 2021-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5326 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 17177401 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/177401
JET CARTRIDGES FOR JETTING FLUID MATERIAL, AND RELATED METHODS Feb 16, 2021 Pending
Array ( [id] => 16914243 [patent_doc_number] => 20210187335 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-24 [patent_title] => SMALL FIRE EXTINGUISHER EQUIPPED WITH A ROTARY KNOB AT THE TOP [patent_app_type] => utility [patent_app_number] => 17/162049 [patent_app_country] => US [patent_app_date] => 2021-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3284 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17162049 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/162049
SMALL FIRE EXTINGUISHER EQUIPPED WITH A ROTARY KNOB AT THE TOP Jan 28, 2021 Abandoned
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