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] => 16868845 [patent_doc_number] => 20210162312 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-06-03 [patent_title] => SPECIAL-EFFECTS FOGGER [patent_app_type] => utility [patent_app_number] => 16/614879 [patent_app_country] => US [patent_app_date] => 2018-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3001 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16614879 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/614879
Special-effects fogger Jun 12, 2018 Issued
Array ( [id] => 13899749 [patent_doc_number] => 20190039079 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => SLOW AREA MASSAGE WATER OUTLET DEVICE [patent_app_type] => utility [patent_app_number] => 15/989804 [patent_app_country] => US [patent_app_date] => 2018-05-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4870 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15989804 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/989804
Massage water outlet device May 24, 2018 Issued
Array ( [id] => 15173853 [patent_doc_number] => 20190357518 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-28 [patent_title] => PLUGGED SPRAY NOZZLE DETECTION USING RADIO-FREQUENCY TRANSMISSIONS [patent_app_type] => utility [patent_app_number] => 15/988186 [patent_app_country] => US [patent_app_date] => 2018-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4089 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15988186 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/988186
Plugged spray nozzle detection using radio-frequency transmissions May 23, 2018 Issued
Array ( [id] => 13573771 [patent_doc_number] => 20180338434 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-29 [patent_title] => Manual Flush Drip Emitter [patent_app_type] => utility [patent_app_number] => 15/985944 [patent_app_country] => US [patent_app_date] => 2018-05-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3135 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15985944 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/985944
Manual Flush Drip Emitter May 21, 2018 Abandoned
Array ( [id] => 13425517 [patent_doc_number] => 20180264301 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-20 [patent_title] => PORTABLE FIREFIGHTING AGENT DELIVERY SYSTEM [patent_app_type] => utility [patent_app_number] => 15/983143 [patent_app_country] => US [patent_app_date] => 2018-05-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2891 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15983143 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/983143
PORTABLE FIREFIGHTING AGENT DELIVERY SYSTEM May 17, 2018 Abandoned
Array ( [id] => 13398301 [patent_doc_number] => 20180250693 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-09-06 [patent_title] => POWER SPRAYER [patent_app_type] => utility [patent_app_number] => 15/971071 [patent_app_country] => US [patent_app_date] => 2018-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4862 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [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] => 15971071 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/971071
Power sprayer May 3, 2018 Issued
Array ( [id] => 14003599 [patent_doc_number] => 10220229 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-03-05 [patent_title] => Nozzle positioning device [patent_app_type] => utility [patent_app_number] => 15/962606 [patent_app_country] => US [patent_app_date] => 2018-04-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2545 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [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] => 15962606 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/962606
Nozzle positioning device Apr 24, 2018 Issued
Array ( [id] => 14041159 [patent_doc_number] => 20190076686 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-14 [patent_title] => AUTOMATIC FIRE EXTINGUISHER [patent_app_type] => utility [patent_app_number] => 15/914724 [patent_app_country] => US [patent_app_date] => 2018-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8713 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15914724 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/914724
AUTOMATIC FIRE EXTINGUISHER Mar 6, 2018 Abandoned
Array ( [id] => 15143327 [patent_doc_number] => 20190350141 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-21 [patent_title] => Improved Method and Device for Distributing a Particulate Material [patent_app_type] => utility [patent_app_number] => 16/482920 [patent_app_country] => US [patent_app_date] => 2018-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13369 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16482920 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/482920
Improved Method and Device for Distributing a Particulate Material Feb 6, 2018 Pending
Array ( [id] => 12772834 [patent_doc_number] => 20180149446 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-31 [patent_title] => AIR GUN WITH FOLDING HANDLE ASSEMBLY [patent_app_type] => utility [patent_app_number] => 15/884547 [patent_app_country] => US [patent_app_date] => 2018-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3143 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15884547 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/884547
Air gun with folding handle assembly Jan 30, 2018 Issued
Array ( [id] => 15437143 [patent_doc_number] => 20200032755 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-30 [patent_title] => FUEL INJECTION DEVICE [patent_app_type] => utility [patent_app_number] => 16/488177 [patent_app_country] => US [patent_app_date] => 2018-01-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5163 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16488177 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/488177
FUEL INJECTION DEVICE Jan 29, 2018 Abandoned
Array ( [id] => 13329577 [patent_doc_number] => 20180216326 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-02 [patent_title] => WATER DISCHARGE DEVICE [patent_app_type] => utility [patent_app_number] => 15/879347 [patent_app_country] => US [patent_app_date] => 2018-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9940 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15879347 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/879347
Water discharge device Jan 23, 2018 Issued
Array ( [id] => 14977035 [patent_doc_number] => 10442410 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2019-10-15 [patent_title] => Vehicle traction deicing system [patent_app_type] => utility [patent_app_number] => 15/865440 [patent_app_country] => US [patent_app_date] => 2018-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3414 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 378 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15865440 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/865440
Vehicle traction deicing system Jan 8, 2018 Issued
Array ( [id] => 12910243 [patent_doc_number] => 20180195257 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-12 [patent_title] => TOUCH TO OPEN/CLOSE MECHANISM FOR A SHOWERHEAD [patent_app_type] => utility [patent_app_number] => 15/864693 [patent_app_country] => US [patent_app_date] => 2018-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3476 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [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] => 15864693 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/864693
Touch to open/close mechanism for a showerhead Jan 7, 2018 Issued
Array ( [id] => 12910942 [patent_doc_number] => 20180195490 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-12 [patent_title] => FLUID FLOW ACTUATED TOOL [patent_app_type] => utility [patent_app_number] => 15/864669 [patent_app_country] => US [patent_app_date] => 2018-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8174 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15864669 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/864669
Fluid flow actuated tool Jan 7, 2018 Issued
Array ( [id] => 14536609 [patent_doc_number] => 20190203926 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => FLAMELESS CANDLE WITH INTEGRATED FOUNTAIN DEVICE [patent_app_type] => utility [patent_app_number] => 15/860803 [patent_app_country] => US [patent_app_date] => 2018-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2011 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15860803 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/860803
FLAMELESS CANDLE WITH INTEGRATED FOUNTAIN DEVICE Jan 2, 2018 Abandoned
Array ( [id] => 12906067 [patent_doc_number] => 20180193864 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-07-12 [patent_title] => ALARM SYSTEM, ASSEMBLY COMPRISING A SPRAYING DEVICE AND SUCH AN ALARM SYSTEM AND AIR SPRAYING PROCESS [patent_app_type] => utility [patent_app_number] => 15/860029 [patent_app_country] => US [patent_app_date] => 2018-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7222 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15860029 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/860029
ALARM SYSTEM, ASSEMBLY COMPRISING A SPRAYING DEVICE AND SUCH AN ALARM SYSTEM AND AIR SPRAYING PROCESS Jan 1, 2018 Abandoned
Array ( [id] => 14529785 [patent_doc_number] => 20190200513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => Hand-Operated Spreader [patent_app_type] => utility [patent_app_number] => 15/860048 [patent_app_country] => US [patent_app_date] => 2018-01-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2674 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15860048 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/860048
Hand-operated spreader Jan 1, 2018 Issued
Array ( [id] => 16955821 [patent_doc_number] => 11059659 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-13 [patent_title] => Aerosol spray device [patent_app_type] => utility [patent_app_number] => 15/856661 [patent_app_country] => US [patent_app_date] => 2017-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 22 [patent_no_of_words] => 10337 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 445 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15856661 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/856661
Aerosol spray device Dec 27, 2017 Issued
Array ( [id] => 14911751 [patent_doc_number] => 10427176 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-10-01 [patent_title] => Irrigation sprinkler [patent_app_type] => utility [patent_app_number] => 15/857397 [patent_app_country] => US [patent_app_date] => 2017-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 46 [patent_figures_cnt] => 92 [patent_no_of_words] => 9376 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 343 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15857397 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/857397
Irrigation sprinkler Dec 27, 2017 Issued
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