Search

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] => 2100376 [patent_doc_number] => 04466154 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-08-21 [patent_title] => 'Tank cleaning system' [patent_app_type] => 1 [patent_app_number] => 6/382900 [patent_app_country] => US [patent_app_date] => 1982-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4158 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/466/04466154.pdf [firstpage_image] =>[orig_patent_app_number] => 382900 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/382900
Tank cleaning system May 27, 1982 Issued
Array ( [id] => 2057962 [patent_doc_number] => 04452396 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-05 [patent_title] => 'Fuel injector' [patent_app_type] => 1 [patent_app_number] => 6/382138 [patent_app_country] => US [patent_app_date] => 1982-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1663 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/452/04452396.pdf [firstpage_image] =>[orig_patent_app_number] => 382138 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/382138
Fuel injector May 25, 1982 Issued
Array ( [id] => 2001155 [patent_doc_number] => 04401272 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-30 [patent_title] => 'Aerosol fan sprayhead' [patent_app_type] => 1 [patent_app_number] => 6/378789 [patent_app_country] => US [patent_app_date] => 1982-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 3566 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/401/04401272.pdf [firstpage_image] =>[orig_patent_app_number] => 378789 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/378789
Aerosol fan sprayhead May 16, 1982 Issued
Array ( [id] => 2033872 [patent_doc_number] => 04413778 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-11-08 [patent_title] => 'Antique lawn pump mobile' [patent_app_type] => 1 [patent_app_number] => 6/378609 [patent_app_country] => US [patent_app_date] => 1982-05-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 853 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/413/04413778.pdf [firstpage_image] =>[orig_patent_app_number] => 378609 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/378609
Antique lawn pump mobile May 16, 1982 Issued
Array ( [id] => 2085648 [patent_doc_number] => 04463903 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-08-07 [patent_title] => 'Turbomachine ejector nozzle' [patent_app_type] => 1 [patent_app_number] => 6/376506 [patent_app_country] => US [patent_app_date] => 1982-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 2839 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 458 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/463/04463903.pdf [firstpage_image] =>[orig_patent_app_number] => 376506 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/376506
Turbomachine ejector nozzle May 9, 1982 Issued
06/377207 WORK METHOD AND DEVICE FOR USE OF THE PROCESS OF CLEANING OBJECTS May 4, 1982 Abandoned
Array ( [id] => 2169893 [patent_doc_number] => 04529130 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-07-16 [patent_title] => 'Turbo machine nozzle with thrust reverser' [patent_app_type] => 1 [patent_app_number] => 6/372017 [patent_app_country] => US [patent_app_date] => 1982-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2632 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/529/04529130.pdf [firstpage_image] =>[orig_patent_app_number] => 372017 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/372017
Turbo machine nozzle with thrust reverser Apr 25, 1982 Issued
Array ( [id] => 2038478 [patent_doc_number] => 04417692 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-11-29 [patent_title] => 'Vapor-phase axial deposition torch' [patent_app_type] => 1 [patent_app_number] => 6/371628 [patent_app_country] => US [patent_app_date] => 1982-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 1712 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/417/04417692.pdf [firstpage_image] =>[orig_patent_app_number] => 371628 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/371628
Vapor-phase axial deposition torch Apr 25, 1982 Issued
Array ( [id] => 2191353 [patent_doc_number] => 04502638 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-05 [patent_title] => 'Turbomachine ejector nozzle and thrust reverser' [patent_app_type] => 1 [patent_app_number] => 6/372015 [patent_app_country] => US [patent_app_date] => 1982-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 3279 [patent_no_of_claims] => 10 [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] => patents/04/502/04502638.pdf [firstpage_image] =>[orig_patent_app_number] => 372015 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/372015
Turbomachine ejector nozzle and thrust reverser Apr 25, 1982 Issued
Array ( [id] => 2191367 [patent_doc_number] => 04502639 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-05 [patent_title] => 'Turbomachine ejector nozzle' [patent_app_type] => 1 [patent_app_number] => 6/372016 [patent_app_country] => US [patent_app_date] => 1982-04-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2988 [patent_no_of_claims] => 10 [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] => patents/04/502/04502639.pdf [firstpage_image] =>[orig_patent_app_number] => 372016 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/372016
Turbomachine ejector nozzle Apr 25, 1982 Issued
Array ( [id] => 2118516 [patent_doc_number] => 04476987 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-10-16 [patent_title] => 'Bottle caps' [patent_app_type] => 1 [patent_app_number] => 6/370041 [patent_app_country] => US [patent_app_date] => 1982-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 12 [patent_no_of_words] => 2639 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/476/04476987.pdf [firstpage_image] =>[orig_patent_app_number] => 370041 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/370041
Bottle caps Apr 19, 1982 Issued
Array ( [id] => 2271582 [patent_doc_number] => 04606502 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-08-19 [patent_title] => 'Jet nozzle' [patent_app_type] => 1 [patent_app_number] => 6/373501 [patent_app_country] => US [patent_app_date] => 1982-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1506 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/606/04606502.pdf [firstpage_image] =>[orig_patent_app_number] => 373501 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/373501
Jet nozzle Apr 14, 1982 Issued
Array ( [id] => 2102138 [patent_doc_number] => 04473186 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-09-25 [patent_title] => 'Method and apparatus for spraying' [patent_app_type] => 1 [patent_app_number] => 6/367432 [patent_app_country] => US [patent_app_date] => 1982-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3968 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/473/04473186.pdf [firstpage_image] =>[orig_patent_app_number] => 367432 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/367432
Method and apparatus for spraying Apr 11, 1982 Issued
Array ( [id] => 2104513 [patent_doc_number] => 04466574 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-08-21 [patent_title] => 'Cooling apparatus' [patent_app_type] => 1 [patent_app_number] => 6/367350 [patent_app_country] => US [patent_app_date] => 1982-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1606 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/466/04466574.pdf [firstpage_image] =>[orig_patent_app_number] => 367350 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/367350
Cooling apparatus Apr 11, 1982 Issued
Array ( [id] => 2085641 [patent_doc_number] => 04463902 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-08-07 [patent_title] => 'Variable geometry nozzle with thrust reverser for a turbomachine' [patent_app_type] => 1 [patent_app_number] => 6/366390 [patent_app_country] => US [patent_app_date] => 1982-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1490 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 373 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/463/04463902.pdf [firstpage_image] =>[orig_patent_app_number] => 366390 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/366390
Variable geometry nozzle with thrust reverser for a turbomachine Apr 6, 1982 Issued
Array ( [id] => 2191327 [patent_doc_number] => 04502636 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-05 [patent_title] => 'Variable geometry ejector nozzle for turbomachines' [patent_app_type] => 1 [patent_app_number] => 6/366389 [patent_app_country] => US [patent_app_date] => 1982-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 1732 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/502/04502636.pdf [firstpage_image] =>[orig_patent_app_number] => 366389 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/366389
Variable geometry ejector nozzle for turbomachines Apr 6, 1982 Issued
Array ( [id] => 2193478 [patent_doc_number] => 04534515 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-08-13 [patent_title] => 'Drip irrigation system employing adjacently arranged flow-restricting passages' [patent_app_type] => 1 [patent_app_number] => 6/364229 [patent_app_country] => US [patent_app_date] => 1982-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 24 [patent_no_of_words] => 9430 [patent_no_of_claims] => 45 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/534/04534515.pdf [firstpage_image] =>[orig_patent_app_number] => 364229 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/364229
Drip irrigation system employing adjacently arranged flow-restricting passages Mar 31, 1982 Issued
Array ( [id] => 2057970 [patent_doc_number] => 04452397 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-05 [patent_title] => 'Irrigation system' [patent_app_type] => 1 [patent_app_number] => 6/364210 [patent_app_country] => US [patent_app_date] => 1982-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 7 [patent_no_of_words] => 2746 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/452/04452397.pdf [firstpage_image] =>[orig_patent_app_number] => 364210 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/364210
Irrigation system Mar 31, 1982 Issued
Array ( [id] => 2054045 [patent_doc_number] => 04454988 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-19 [patent_title] => 'Self-cleaning nozzle' [patent_app_type] => 1 [patent_app_number] => 6/361190 [patent_app_country] => US [patent_app_date] => 1982-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2193 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 278 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/454/04454988.pdf [firstpage_image] =>[orig_patent_app_number] => 361190 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/361190
Self-cleaning nozzle Mar 23, 1982 Issued
Array ( [id] => 2124245 [patent_doc_number] => 04453672 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-12 [patent_title] => 'Vehicle mounted aerial lift' [patent_app_type] => 1 [patent_app_number] => 6/361097 [patent_app_country] => US [patent_app_date] => 1982-03-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 20 [patent_no_of_words] => 6931 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/453/04453672.pdf [firstpage_image] =>[orig_patent_app_number] => 361097 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/361097
Vehicle mounted aerial lift Mar 22, 1982 Issued
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