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David Z. Chen

Examiner (ID: 17445)

Most Active Art Unit
2815
Art Unit(s)
2815
Total Applications
789
Issued Applications
304
Pending Applications
115
Abandoned Applications
387

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2136053 [patent_doc_number] => 04522339 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-06-11 [patent_title] => 'Irrigation fitting with installation barb and associated barb installation tool' [patent_app_type] => 1 [patent_app_number] => 6/500779 [patent_app_country] => US [patent_app_date] => 1983-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 6 [patent_no_of_words] => 2984 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/522/04522339.pdf [firstpage_image] =>[orig_patent_app_number] => 500779 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/500779
Irrigation fitting with installation barb and associated barb installation tool Jun 2, 1983 Issued
Array ( [id] => 2102145 [patent_doc_number] => 04473187 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-09-25 [patent_title] => 'Apparatus for atomizing liquids' [patent_app_type] => 1 [patent_app_number] => 6/499861 [patent_app_country] => US [patent_app_date] => 1983-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 30 [patent_no_of_words] => 4647 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/473/04473187.pdf [firstpage_image] =>[orig_patent_app_number] => 499861 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/499861
Apparatus for atomizing liquids May 31, 1983 Issued
Array ( [id] => 2127241 [patent_doc_number] => 04515310 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-05-07 [patent_title] => 'Spraying apparatus and method' [patent_app_type] => 1 [patent_app_number] => 6/499821 [patent_app_country] => US [patent_app_date] => 1983-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 4947 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 365 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/515/04515310.pdf [firstpage_image] =>[orig_patent_app_number] => 499821 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/499821
Spraying apparatus and method May 31, 1983 Issued
Array ( [id] => 2254752 [patent_doc_number] => 04564145 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-01-14 [patent_title] => 'Electromagnetic fuel injector' [patent_app_type] => 1 [patent_app_number] => 6/495152 [patent_app_country] => US [patent_app_date] => 1983-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 16 [patent_no_of_words] => 4053 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/564/04564145.pdf [firstpage_image] =>[orig_patent_app_number] => 495152 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/495152
Electromagnetic fuel injector May 16, 1983 Issued
Array ( [id] => 2185307 [patent_doc_number] => 04511083 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-04-16 [patent_title] => 'Self-regulating hydrant' [patent_app_type] => 1 [patent_app_number] => 6/494968 [patent_app_country] => US [patent_app_date] => 1983-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 2027 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/511/04511083.pdf [firstpage_image] =>[orig_patent_app_number] => 494968 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/494968
Self-regulating hydrant May 15, 1983 Issued
Array ( [id] => 2235702 [patent_doc_number] => 04568027 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-02-04 [patent_title] => 'Fluid spray-forming device' [patent_app_type] => 1 [patent_app_number] => 6/494259 [patent_app_country] => US [patent_app_date] => 1983-05-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3252 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/568/04568027.pdf [firstpage_image] =>[orig_patent_app_number] => 494259 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/494259
Fluid spray-forming device May 12, 1983 Issued
06/492997 FIRE PROTECTION SYSTEM May 8, 1983 Abandoned
Array ( [id] => 2098611 [patent_doc_number] => RE031683 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-09-25 [patent_title] => 'Fluidic oscillator with resonary inertance and dynamic compliance circuit' [patent_app_type] => 2 [patent_app_number] => 6/489674 [patent_app_country] => US [patent_app_date] => 1983-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 16 [patent_no_of_words] => 7075 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/031/RE031683.pdf [firstpage_image] =>[orig_patent_app_number] => 489674 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/489674
Fluidic oscillator with resonary inertance and dynamic compliance circuit Apr 27, 1983 Issued
Array ( [id] => 2191299 [patent_doc_number] => 04502634 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-05 [patent_title] => 'Rotary atomizing sprayer' [patent_app_type] => 1 [patent_app_number] => 6/489088 [patent_app_country] => US [patent_app_date] => 1983-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2481 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/502/04502634.pdf [firstpage_image] =>[orig_patent_app_number] => 489088 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/489088
Rotary atomizing sprayer Apr 26, 1983 Issued
Array ( [id] => 2003494 [patent_doc_number] => 04421278 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-12-20 [patent_title] => 'Injection valve' [patent_app_type] => 1 [patent_app_number] => 6/481178 [patent_app_country] => US [patent_app_date] => 1983-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1703 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/421/04421278.pdf [firstpage_image] =>[orig_patent_app_number] => 481178 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/481178
Injection valve Mar 31, 1983 Issued
90/000356 DUMP SPREADER Mar 27, 1983 Issued
Array ( [id] => 2191259 [patent_doc_number] => 04502631 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-05 [patent_title] => 'Trickle irrigation unit' [patent_app_type] => 1 [patent_app_number] => 6/478369 [patent_app_country] => US [patent_app_date] => 1983-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2803 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/502/04502631.pdf [firstpage_image] =>[orig_patent_app_number] => 478369 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/478369
Trickle irrigation unit Mar 23, 1983 Issued
Array ( [id] => 2152975 [patent_doc_number] => 04509664 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-04-09 [patent_title] => 'Portable sprayer with safety cover' [patent_app_type] => 1 [patent_app_number] => 6/478027 [patent_app_country] => US [patent_app_date] => 1983-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 1151 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/509/04509664.pdf [firstpage_image] =>[orig_patent_app_number] => 478027 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/478027
Portable sprayer with safety cover Mar 22, 1983 Issued
Array ( [id] => 2193442 [patent_doc_number] => 04534512 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-08-13 [patent_title] => 'Fluid dispenser' [patent_app_type] => 1 [patent_app_number] => 6/476997 [patent_app_country] => US [patent_app_date] => 1983-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 6271 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/534/04534512.pdf [firstpage_image] =>[orig_patent_app_number] => 476997 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/476997
Fluid dispenser Mar 20, 1983 Issued
Array ( [id] => 2139342 [patent_doc_number] => 04505429 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-19 [patent_title] => 'Dispenser for air treating material' [patent_app_type] => 1 [patent_app_number] => 6/476079 [patent_app_country] => US [patent_app_date] => 1983-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 924 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/505/04505429.pdf [firstpage_image] =>[orig_patent_app_number] => 476079 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/476079
Dispenser for air treating material Mar 16, 1983 Issued
Array ( [id] => 2258051 [patent_doc_number] => 04629122 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-12-16 [patent_title] => 'In-field fractionation process for green vegetation crops' [patent_app_type] => 1 [patent_app_number] => 6/474773 [patent_app_country] => US [patent_app_date] => 1983-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3415 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/629/04629122.pdf [firstpage_image] =>[orig_patent_app_number] => 474773 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/474773
In-field fractionation process for green vegetation crops Mar 13, 1983 Issued
06/473371 COVERED HOPPER CAR Mar 7, 1983 Abandoned
Array ( [id] => 2101933 [patent_doc_number] => 04471908 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-09-18 [patent_title] => 'Pattern sprinkler head' [patent_app_type] => 1 [patent_app_number] => 6/469027 [patent_app_country] => US [patent_app_date] => 1983-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3381 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/471/04471908.pdf [firstpage_image] =>[orig_patent_app_number] => 469027 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/469027
Pattern sprinkler head Feb 22, 1983 Issued
Array ( [id] => 2192168 [patent_doc_number] => 04527634 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-07-09 [patent_title] => 'Emergency vapor powered pump assembly' [patent_app_type] => 1 [patent_app_number] => 6/467086 [patent_app_country] => US [patent_app_date] => 1983-02-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3647 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/527/04527634.pdf [firstpage_image] =>[orig_patent_app_number] => 467086 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/467086
Emergency vapor powered pump assembly Feb 15, 1983 Issued
Array ( [id] => 2154224 [patent_doc_number] => 04553698 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-11-19 [patent_title] => 'Pneumatic pesticide duster for treatment of structures' [patent_app_type] => 1 [patent_app_number] => 6/464369 [patent_app_country] => US [patent_app_date] => 1983-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 7 [patent_no_of_words] => 4119 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/553/04553698.pdf [firstpage_image] =>[orig_patent_app_number] => 464369 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/464369
Pneumatic pesticide duster for treatment of structures Feb 6, 1983 Issued
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