Search

Henry C. Yuen

Examiner (ID: 17238)

Most Active Art Unit
3404
Art Unit(s)
2602, 3742, 2899, 3747, 3405, 3754, 3404, 3402
Total Applications
2016
Issued Applications
1698
Pending Applications
3
Abandoned Applications
315

Applications

Application numberTitle of the applicationFiling DateStatus
07/432403 ELASTIC ROTATABLE MEMBER AND FIXING APPARATUS Nov 5, 1989 Abandoned
Array ( [id] => 2576256 [patent_doc_number] => 04974340 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-04 [patent_title] => 'Vacuum guide roll apparatus' [patent_app_type] => 1 [patent_app_number] => 7/429592 [patent_app_country] => US [patent_app_date] => 1989-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4215 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/974/04974340.pdf [firstpage_image] =>[orig_patent_app_number] => 429592 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/429592
Vacuum guide roll apparatus Oct 30, 1989 Issued
Array ( [id] => 2704656 [patent_doc_number] => 05009592 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-23 [patent_title] => 'Hot air generating device with a catalytic burner' [patent_app_type] => 1 [patent_app_number] => 7/427496 [patent_app_country] => US [patent_app_date] => 1989-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4509 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/009/05009592.pdf [firstpage_image] =>[orig_patent_app_number] => 427496 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/427496
Hot air generating device with a catalytic burner Oct 26, 1989 Issued
Array ( [id] => 2639768 [patent_doc_number] => 04977688 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-18 [patent_title] => 'Vapor device and method for drying articles such as semiconductor wafers with substances such as isopropyl alcohol' [patent_app_type] => 1 [patent_app_number] => 7/427512 [patent_app_country] => US [patent_app_date] => 1989-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3338 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/977/04977688.pdf [firstpage_image] =>[orig_patent_app_number] => 427512 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/427512
Vapor device and method for drying articles such as semiconductor wafers with substances such as isopropyl alcohol Oct 26, 1989 Issued
Array ( [id] => 2559145 [patent_doc_number] => 04972608 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-27 [patent_title] => 'Multi-cylinder dryer for a paper machine with supported draw of web' [patent_app_type] => 1 [patent_app_number] => 7/426185 [patent_app_country] => US [patent_app_date] => 1989-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4246 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 461 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/972/04972608.pdf [firstpage_image] =>[orig_patent_app_number] => 426185 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/426185
Multi-cylinder dryer for a paper machine with supported draw of web Oct 24, 1989 Issued
Array ( [id] => 2636991 [patent_doc_number] => 04979896 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-25 [patent_title] => 'Cooling device of heating furnace in thermal analyzer' [patent_app_type] => 1 [patent_app_number] => 7/426292 [patent_app_country] => US [patent_app_date] => 1989-10-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 1799 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/979/04979896.pdf [firstpage_image] =>[orig_patent_app_number] => 426292 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/426292
Cooling device of heating furnace in thermal analyzer Oct 24, 1989 Issued
07/425570 CONVECTION/RADIATION MATERIAL TREATMENT OVEN Oct 22, 1989 Abandoned
Array ( [id] => 2578469 [patent_doc_number] => 04963091 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-16 [patent_title] => 'Method and apparatus for effecting convective heat transfer in a cylindrical, industrial heat treat furnace' [patent_app_type] => 1 [patent_app_number] => 7/425686 [patent_app_country] => US [patent_app_date] => 1989-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 6890 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 395 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/963/04963091.pdf [firstpage_image] =>[orig_patent_app_number] => 425686 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/425686
Method and apparatus for effecting convective heat transfer in a cylindrical, industrial heat treat furnace Oct 22, 1989 Issued
Array ( [id] => 2637007 [patent_doc_number] => 04979897 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-25 [patent_title] => 'Atmospheric door closure' [patent_app_type] => 1 [patent_app_number] => 7/423343 [patent_app_country] => US [patent_app_date] => 1989-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2733 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/979/04979897.pdf [firstpage_image] =>[orig_patent_app_number] => 423343 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/423343
Atmospheric door closure Oct 17, 1989 Issued
Array ( [id] => 2654403 [patent_doc_number] => 04982703 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-08 [patent_title] => 'Upflow/downflow heated tube circulating system' [patent_app_type] => 1 [patent_app_number] => 7/422853 [patent_app_country] => US [patent_app_date] => 1989-10-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2694 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/982/04982703.pdf [firstpage_image] =>[orig_patent_app_number] => 422853 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/422853
Upflow/downflow heated tube circulating system Oct 16, 1989 Issued
Array ( [id] => 2732436 [patent_doc_number] => 05070797 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-10 [patent_title] => 'Process and device to feed additives into a shaft or cupola furnace' [patent_app_type] => 1 [patent_app_number] => 7/251375 [patent_app_country] => US [patent_app_date] => 1989-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1257 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/070/05070797.pdf [firstpage_image] =>[orig_patent_app_number] => 251375 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/251375
Process and device to feed additives into a shaft or cupola furnace Oct 15, 1989 Issued
Array ( [id] => 2638008 [patent_doc_number] => 04970971 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-20 [patent_title] => 'System of and apparatus for sanitizing waste material' [patent_app_type] => 1 [patent_app_number] => 7/420383 [patent_app_country] => US [patent_app_date] => 1989-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 2654 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/970/04970971.pdf [firstpage_image] =>[orig_patent_app_number] => 420383 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/420383
System of and apparatus for sanitizing waste material Oct 11, 1989 Issued
Array ( [id] => 2623723 [patent_doc_number] => 04957430 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-18 [patent_title] => 'Limiting the presence of the oxides of nitrogen in regenerative heating systems' [patent_app_type] => 1 [patent_app_number] => 7/420609 [patent_app_country] => US [patent_app_date] => 1989-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1991 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 99 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/957/04957430.pdf [firstpage_image] =>[orig_patent_app_number] => 420609 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/420609
Limiting the presence of the oxides of nitrogen in regenerative heating systems Oct 5, 1989 Issued
Array ( [id] => 2577293 [patent_doc_number] => 04964226 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-23 [patent_title] => 'High turndown rotary dryer flights' [patent_app_type] => 1 [patent_app_number] => 7/418421 [patent_app_country] => US [patent_app_date] => 1989-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 2815 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/964/04964226.pdf [firstpage_image] =>[orig_patent_app_number] => 418421 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/418421
High turndown rotary dryer flights Oct 5, 1989 Issued
Array ( [id] => 2634808 [patent_doc_number] => 04970805 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-20 [patent_title] => 'Transfer apparatus for transferring a tail of a web' [patent_app_type] => 1 [patent_app_number] => 7/417978 [patent_app_country] => US [patent_app_date] => 1989-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1662 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/970/04970805.pdf [firstpage_image] =>[orig_patent_app_number] => 417978 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/417978
Transfer apparatus for transferring a tail of a web Oct 4, 1989 Issued
Array ( [id] => 2623149 [patent_doc_number] => 04976611 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-11 [patent_title] => 'Method and apparatus for the thermal treatment of waste materials' [patent_app_type] => 1 [patent_app_number] => 7/416389 [patent_app_country] => US [patent_app_date] => 1989-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1572 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/976/04976611.pdf [firstpage_image] =>[orig_patent_app_number] => 416389 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/416389
Method and apparatus for the thermal treatment of waste materials Oct 1, 1989 Issued
07/413831 INFRA-RED BURNER SYSTEM FOR FURNACES Sep 27, 1989 Abandoned
Array ( [id] => 2576769 [patent_doc_number] => 04925388 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-05-15 [patent_title] => 'Apparatus for heat treating substrates capable of quick cooling' [patent_app_type] => 1 [patent_app_number] => 7/411224 [patent_app_country] => US [patent_app_date] => 1989-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2074 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/925/04925388.pdf [firstpage_image] =>[orig_patent_app_number] => 411224 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/411224
Apparatus for heat treating substrates capable of quick cooling Sep 21, 1989 Issued
07/411400 BALANCED AIR RETURN CONVECTION OVEN Sep 21, 1989 Abandoned
Array ( [id] => 2549892 [patent_doc_number] => 04960380 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-02 [patent_title] => 'Method and apparatus for the reduction of solid waste material using coherent radiation' [patent_app_type] => 1 [patent_app_number] => 7/410560 [patent_app_country] => US [patent_app_date] => 1989-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 6715 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/960/04960380.pdf [firstpage_image] =>[orig_patent_app_number] => 410560 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/410560
Method and apparatus for the reduction of solid waste material using coherent radiation Sep 20, 1989 Issued
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