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] => 16524012 [patent_doc_number] => 20200398092 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => STEEL COATED METAL STRUCTURES AND METHODS OF FABRICATING THE SAME [patent_app_type] => utility [patent_app_number] => 17/009398 [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] => 3594 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17009398 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/009398
STEEL COATED METAL STRUCTURES AND METHODS OF FABRICATING THE SAME Aug 31, 2020 Abandoned
Array ( [id] => 16670472 [patent_doc_number] => 20210059235 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => AUTOMATED SPRAY NOZZLE TEST SYSTEM [patent_app_type] => utility [patent_app_number] => 17/004381 [patent_app_country] => US [patent_app_date] => 2020-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3044 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17004381 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/004381
AUTOMATED SPRAY NOZZLE TEST SYSTEM Aug 26, 2020 Pending
Array ( [id] => 16656440 [patent_doc_number] => 20210053076 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-25 [patent_title] => HYDRAULIC SPRAY NOZZLE FOR HYDROSEEDING SYSTEMS [patent_app_type] => utility [patent_app_number] => 16/996429 [patent_app_country] => US [patent_app_date] => 2020-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4136 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16996429 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/996429
Hydraulic spray nozzle for hydroseeding systems Aug 17, 2020 Issued
Array ( [id] => 16612570 [patent_doc_number] => 20210031223 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => LIQUID EJECTION DEVICE [patent_app_type] => utility [patent_app_number] => 16/943009 [patent_app_country] => US [patent_app_date] => 2020-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8852 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16943009 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/943009
Liquid ejection device Jul 29, 2020 Issued
Array ( [id] => 17735292 [patent_doc_number] => 20220220751 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => JET ADAPTER FOR PLASTERING MACHINES [patent_app_type] => utility [patent_app_number] => 17/596692 [patent_app_country] => US [patent_app_date] => 2020-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8221 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -25 [patent_words_short_claim] => 277 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17596692 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/596692
JET ADAPTER FOR PLASTERING MACHINES Jun 16, 2020 Pending
Array ( [id] => 17291372 [patent_doc_number] => 20210387211 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-12-16 [patent_title] => SERVICEABLE SPRINKLER WITH NUTATING DISTRIBUTION PLATE AND ASYMMETRICAL WATER CHANNELS [patent_app_type] => utility [patent_app_number] => 16/900760 [patent_app_country] => US [patent_app_date] => 2020-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10675 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 16900760 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/900760
SERVICEABLE SPRINKLER WITH NUTATING DISTRIBUTION PLATE AND ASYMMETRICAL WATER CHANNELS Jun 11, 2020 Pending
Array ( [id] => 16524213 [patent_doc_number] => 20200398293 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-12-24 [patent_title] => METHOD OF OPERATING A HAND-HELD SPRAY DEVICE AND HAND-HELD SPRAY DEVICE [patent_app_type] => utility [patent_app_number] => 16/898841 [patent_app_country] => US [patent_app_date] => 2020-06-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7541 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 260 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16898841 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/898841
Method of operating a hand-held spray device and hand-held spray device Jun 10, 2020 Issued
Array ( [id] => 17844061 [patent_doc_number] => 11433406 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-06 [patent_title] => Waterway switching mechanism and method for switching the waterway switching mechanism [patent_app_type] => utility [patent_app_number] => 16/870854 [patent_app_country] => US [patent_app_date] => 2020-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 30 [patent_no_of_words] => 9926 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [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] => 16870854 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/870854
Waterway switching mechanism and method for switching the waterway switching mechanism May 7, 2020 Issued
Array ( [id] => 16436160 [patent_doc_number] => 20200353485 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => WIDE ANGLE SPRAY NOZZLE [patent_app_type] => utility [patent_app_number] => 16/870558 [patent_app_country] => US [patent_app_date] => 2020-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3080 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 220 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16870558 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/870558
Wide angle spray nozzle May 7, 2020 Issued
Array ( [id] => 17413148 [patent_doc_number] => 20220048052 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-02-17 [patent_title] => Sprinkler device for an irrigation liquid and method of diffusion of an irrigation liquid with such sprinkler device [patent_app_type] => utility [patent_app_number] => 15/733197 [patent_app_country] => US [patent_app_date] => 2020-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4417 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15733197 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/733197
Sprinkler device for an irrigation liquid and method of diffusion of an irrigation liquid with such sprinkler device May 5, 2020 Issued
Array ( [id] => 17844063 [patent_doc_number] => 11433408 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-09-06 [patent_title] => Multiple nozzle system [patent_app_type] => utility [patent_app_number] => 16/863922 [patent_app_country] => US [patent_app_date] => 2020-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 31 [patent_no_of_words] => 5312 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16863922 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/863922
Multiple nozzle system Apr 29, 2020 Issued
Array ( [id] => 16330488 [patent_doc_number] => 20200301454 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => DEVICE, SYSTEM, AND METHOD FOR TRACKING THE CONFIGURATION OR OPERATIONAL HISTORY OF A NOZZLE IN A FLUID JETTING SYSTEM [patent_app_type] => utility [patent_app_number] => 16/839771 [patent_app_country] => US [patent_app_date] => 2020-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6568 [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] => 16839771 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/839771
DEVICE, SYSTEM, AND METHOD FOR TRACKING THE CONFIGURATION OR OPERATIONAL HISTORY OF A NOZZLE IN A FLUID JETTING SYSTEM Apr 2, 2020 Pending
Array ( [id] => 17641024 [patent_doc_number] => 20220168762 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => DEVICE FOR GENERATING A CO2 SNOW JET [patent_app_type] => utility [patent_app_number] => 17/441401 [patent_app_country] => US [patent_app_date] => 2020-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5142 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17441401 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/441401
DEVICE FOR GENERATING A CO2 SNOW JET Mar 23, 2020 Pending
Array ( [id] => 16327288 [patent_doc_number] => 20200298253 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-24 [patent_title] => PRESSURE SPRAYER NOZZLES [patent_app_type] => utility [patent_app_number] => 16/826964 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5646 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16826964 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/826964
PRESSURE SPRAYER NOZZLES Mar 22, 2020 Abandoned
Array ( [id] => 16295390 [patent_doc_number] => 20200281113 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => POWERED HAND-HELD SPREADER [patent_app_type] => utility [patent_app_number] => 16/826412 [patent_app_country] => US [patent_app_date] => 2020-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7665 [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] => 16826412 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/826412
POWERED HAND-HELD SPREADER Mar 22, 2020 Pending
Array ( [id] => 16191753 [patent_doc_number] => 20200232602 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-07-23 [patent_title] => Additively Manufactured Pressurization Diffusers [patent_app_type] => utility [patent_app_number] => 16/822349 [patent_app_country] => US [patent_app_date] => 2020-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8314 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16822349 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/822349
Additively Manufactured Pressurization Diffusers Mar 17, 2020 Abandoned
Array ( [id] => 16296687 [patent_doc_number] => 20200282410 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-09-10 [patent_title] => ADJUSTABLE NOZZLE ASSEMBLY OR NOZZLE ATTACHMENT FOR A LIQUID-FILLED SPRAYER [patent_app_type] => utility [patent_app_number] => 16/809893 [patent_app_country] => US [patent_app_date] => 2020-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3569 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16809893 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/809893
ADJUSTABLE NOZZLE ASSEMBLY OR NOZZLE ATTACHMENT FOR A LIQUID-FILLED SPRAYER Mar 4, 2020 Abandoned
Array ( [id] => 17066316 [patent_doc_number] => 20210268531 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => Rotatable Positioning Nozzle [patent_app_type] => utility [patent_app_number] => 16/805942 [patent_app_country] => US [patent_app_date] => 2020-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1998 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 16805942 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/805942
Rotatable Positioning Nozzle Mar 1, 2020 Abandoned
Array ( [id] => 18443843 [patent_doc_number] => 11679396 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-20 [patent_title] => Rotor nozzle structure and watering device [patent_app_type] => utility [patent_app_number] => 16/785112 [patent_app_country] => US [patent_app_date] => 2020-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2840 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16785112 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/785112
Rotor nozzle structure and watering device Feb 6, 2020 Issued
Array ( [id] => 16221648 [patent_doc_number] => 20200246764 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-08-06 [patent_title] => PORTABLE LIQUID COLD FOGGER [patent_app_type] => utility [patent_app_number] => 16/782646 [patent_app_country] => US [patent_app_date] => 2020-02-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3365 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16782646 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/782646
PORTABLE LIQUID COLD FOGGER Feb 4, 2020 Abandoned
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