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] => 16189777 [patent_doc_number] => 20200230626 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => ROTARY SPRINKLER RISER EXTENSION KIT [patent_app_type] => utility [patent_app_number] => 16/748769 [patent_app_country] => US [patent_app_date] => 2020-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4013 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16748769 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/748769
Rotary sprinkler riser extension kit Jan 20, 2020 Issued
Array ( [id] => 18116647 [patent_doc_number] => 11548019 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-01-10 [patent_title] => Device for supplying a composition to a pressurized deposition system [patent_app_type] => utility [patent_app_number] => 16/746214 [patent_app_country] => US [patent_app_date] => 2020-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 11476 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16746214 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/746214
Device for supplying a composition to a pressurized deposition system Jan 16, 2020 Issued
Array ( [id] => 16175953 [patent_doc_number] => 20200222921 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-16 [patent_title] => Device For Dispensing A Fluid Medium [patent_app_type] => utility [patent_app_number] => 16/743140 [patent_app_country] => US [patent_app_date] => 2020-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5809 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16743140 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/743140
Device For Dispensing A Fluid Medium Jan 14, 2020 Abandoned
Array ( [id] => 15829429 [patent_doc_number] => 20200129996 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-30 [patent_title] => POWER SPRAYER [patent_app_type] => utility [patent_app_number] => 16/731756 [patent_app_country] => US [patent_app_date] => 2019-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7015 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16731756 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/731756
POWER SPRAYER Dec 30, 2019 Abandoned
Array ( [id] => 15798063 [patent_doc_number] => 20200122174 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-23 [patent_title] => INTERACTIVE LIQUID SPRAYING SYSTEM AND METHOD [patent_app_type] => utility [patent_app_number] => 16/722594 [patent_app_country] => US [patent_app_date] => 2019-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2255 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16722594 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/722594
INTERACTIVE LIQUID SPRAYING SYSTEM AND METHOD Dec 19, 2019 Abandoned
Array ( [id] => 16054169 [patent_doc_number] => 20200188939 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-06-18 [patent_title] => FLOW MODULATION DEVICE FOR DISPENSING PRESSURIZED FLUIDS [patent_app_type] => utility [patent_app_number] => 16/717122 [patent_app_country] => US [patent_app_date] => 2019-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10227 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 16717122 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/717122
Flow modulation device for dispensing pressurized fluids Dec 16, 2019 Issued
Array ( [id] => 17368852 [patent_doc_number] => 20220023904 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-01-27 [patent_title] => A SPRAY VEHICLE [patent_app_type] => utility [patent_app_number] => 17/296926 [patent_app_country] => US [patent_app_date] => 2019-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10948 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -30 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17296926 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/296926
A SPRAY VEHICLE Dec 4, 2019 Pending
Array ( [id] => 17322849 [patent_doc_number] => 11213836 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-01-04 [patent_title] => Nutating sprinkler head [patent_app_type] => utility [patent_app_number] => 16/701036 [patent_app_country] => US [patent_app_date] => 2019-12-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 16 [patent_no_of_words] => 2911 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 356 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16701036 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/701036
Nutating sprinkler head Dec 1, 2019 Issued
Array ( [id] => 17273413 [patent_doc_number] => 20210379611 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-09 [patent_title] => SPRAY DEVICE AND CLEANING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/288461 [patent_app_country] => US [patent_app_date] => 2019-11-06 [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] => -18 [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] => 17288461 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/288461
Spray device and cleaning apparatus Nov 5, 2019 Issued
Array ( [id] => 15863963 [patent_doc_number] => 20200139385 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => AEROSOL NOZZLE ASSEMBLY AND NOZZLE CUP MEMBER FOR SPRAYING VISCOUS NEWTONIAN FLUIDS [patent_app_type] => utility [patent_app_number] => 16/671939 [patent_app_country] => US [patent_app_date] => 2019-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8216 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16671939 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/671939
AEROSOL NOZZLE ASSEMBLY AND NOZZLE CUP MEMBER FOR SPRAYING VISCOUS NEWTONIAN FLUIDS Oct 31, 2019 Abandoned
Array ( [id] => 15554495 [patent_doc_number] => 20200061659 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-27 [patent_title] => Adjustable Escutcheon Assembly [patent_app_type] => utility [patent_app_number] => 16/669105 [patent_app_country] => US [patent_app_date] => 2019-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1340 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 16669105 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/669105
Adjustable Escutcheon Assembly Oct 29, 2019 Abandoned
Array ( [id] => 17936405 [patent_doc_number] => 11470834 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-10-18 [patent_title] => Boom mounted spray nozzle assembly with multi check valve compact design [patent_app_type] => utility [patent_app_number] => 16/669179 [patent_app_country] => US [patent_app_date] => 2019-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 2690 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 524 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16669179 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/669179
Boom mounted spray nozzle assembly with multi check valve compact design Oct 29, 2019 Issued
Array ( [id] => 17298161 [patent_doc_number] => 20210394000 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-23 [patent_title] => Fire protection element for sealing passage openings in components [patent_app_type] => utility [patent_app_number] => 17/287641 [patent_app_country] => US [patent_app_date] => 2019-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8433 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17287641 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/287641
Fire protection element for sealing passage openings in components Oct 22, 2019 Pending
Array ( [id] => 15433295 [patent_doc_number] => 20200030830 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => ADJUSTABLE ARC OF COVERAGE CONE NOZZLE ROTARY STREAM SPRINKLER [patent_app_type] => utility [patent_app_number] => 16/577150 [patent_app_country] => US [patent_app_date] => 2019-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3223 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 16577150 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/577150
ADJUSTABLE ARC OF COVERAGE CONE NOZZLE ROTARY STREAM SPRINKLER Sep 19, 2019 Abandoned
Array ( [id] => 16311329 [patent_doc_number] => 20200290067 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-17 [patent_title] => Rotary bell cup atomizer with auxiliary turbine and vortex shaping air generator [patent_app_type] => utility [patent_app_number] => 16/602316 [patent_app_country] => US [patent_app_date] => 2019-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5188 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => 0 [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] => 16602316 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/602316
Rotary bell cup atomizer with auxiliary turbine and vortex shaping air generator Sep 11, 2019 Abandoned
Array ( [id] => 15265579 [patent_doc_number] => 20190381523 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-19 [patent_title] => ELECTROSTATIC COATING DEVICE [patent_app_type] => utility [patent_app_number] => 16/556976 [patent_app_country] => US [patent_app_date] => 2019-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7334 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16556976 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/556976
ELECTROSTATIC COATING DEVICE Aug 29, 2019 Abandoned
Array ( [id] => 15432933 [patent_doc_number] => 20200030649 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => SPRINKLER ASSEMBLY [patent_app_type] => utility [patent_app_number] => 16/544888 [patent_app_country] => US [patent_app_date] => 2019-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10736 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 54 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16544888 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/544888
SPRINKLER ASSEMBLY Aug 18, 2019 Abandoned
Array ( [id] => 15406135 [patent_doc_number] => 20200023389 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-23 [patent_title] => IRRIGATION SPRINKLER [patent_app_type] => utility [patent_app_number] => 16/531529 [patent_app_country] => US [patent_app_date] => 2019-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9376 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [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] => 16531529 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/531529
IRRIGATION SPRINKLER Aug 4, 2019 Abandoned
Array ( [id] => 15433297 [patent_doc_number] => 20200030831 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => FLUID TIP [patent_app_type] => utility [patent_app_number] => 16/521534 [patent_app_country] => US [patent_app_date] => 2019-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2772 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 16521534 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/521534
FLUID TIP Jul 23, 2019 Pending
Array ( [id] => 16597042 [patent_doc_number] => 20210023573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => Fluid splitting device [patent_app_type] => utility [patent_app_number] => 16/521065 [patent_app_country] => US [patent_app_date] => 2019-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1595 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16521065 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/521065
Fluid splitting device Jul 23, 2019 Abandoned
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