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
Array ( [id] => 2583067 [patent_doc_number] => 04959012 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-25 [patent_title] => 'Apparatus for repairing brick/refractory in a process heater' [patent_app_type] => 1 [patent_app_number] => 7/407505 [patent_app_country] => US [patent_app_date] => 1989-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1279 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/959/04959012.pdf [firstpage_image] =>[orig_patent_app_number] => 407505 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/407505
Apparatus for repairing brick/refractory in a process heater Sep 13, 1989 Issued
Array ( [id] => 2582823 [patent_doc_number] => 04917600 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-04-17 [patent_title] => 'Reciprocal furnace for heating metal parts' [patent_app_type] => 1 [patent_app_number] => 7/407230 [patent_app_country] => US [patent_app_date] => 1989-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2148 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/917/04917600.pdf [firstpage_image] =>[orig_patent_app_number] => 407230 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/407230
Reciprocal furnace for heating metal parts Sep 13, 1989 Issued
Array ( [id] => 2643450 [patent_doc_number] => 04945837 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-07 [patent_title] => 'Pellet feed system' [patent_app_type] => 1 [patent_app_number] => 7/402998 [patent_app_country] => US [patent_app_date] => 1989-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4235 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/945/04945837.pdf [firstpage_image] =>[orig_patent_app_number] => 402998 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/402998
Pellet feed system Aug 31, 1989 Issued
Array ( [id] => 2749553 [patent_doc_number] => 05059116 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-22 [patent_title] => 'Apparatus and process for removing volatile coatings from scrap metal' [patent_app_type] => 1 [patent_app_number] => 7/401795 [patent_app_country] => US [patent_app_date] => 1989-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 6712 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/059/05059116.pdf [firstpage_image] =>[orig_patent_app_number] => 401795 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/401795
Apparatus and process for removing volatile coatings from scrap metal Aug 31, 1989 Issued
07/402102 LYOPHILIZATION OF BULK PHARMACEUTICALS Aug 30, 1989 Abandoned
Array ( [id] => 2574542 [patent_doc_number] => 04962884 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-16 [patent_title] => 'Heat accumulating type electric underfloor heating system having upper and lower cavities and a method for heating the same' [patent_app_type] => 1 [patent_app_number] => 7/400555 [patent_app_country] => US [patent_app_date] => 1989-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2707 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/962/04962884.pdf [firstpage_image] =>[orig_patent_app_number] => 400555 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/400555
Heat accumulating type electric underfloor heating system having upper and lower cavities and a method for heating the same Aug 29, 1989 Issued
Array ( [id] => 2727391 [patent_doc_number] => 05014651 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-14 [patent_title] => 'Method and apparatus for improving utilization of fuel values of as-mined coal in pulverized fuel-fired boilers' [patent_app_type] => 1 [patent_app_number] => 7/399117 [patent_app_country] => US [patent_app_date] => 1989-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5992 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/014/05014651.pdf [firstpage_image] =>[orig_patent_app_number] => 399117 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/399117
Method and apparatus for improving utilization of fuel values of as-mined coal in pulverized fuel-fired boilers Aug 24, 1989 Issued
Array ( [id] => 2640052 [patent_doc_number] => 04945657 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-07 [patent_title] => 'Rotary drum dryer with improved premixing assembly' [patent_app_type] => 1 [patent_app_number] => 7/398837 [patent_app_country] => US [patent_app_date] => 1989-08-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3733 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/945/04945657.pdf [firstpage_image] =>[orig_patent_app_number] => 398837 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/398837
Rotary drum dryer with improved premixing assembly Aug 22, 1989 Issued
Array ( [id] => 2691148 [patent_doc_number] => 04988288 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-29 [patent_title] => 'Material heating oven' [patent_app_type] => 1 [patent_app_number] => 7/398229 [patent_app_country] => US [patent_app_date] => 1989-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3194 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 247 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/988/04988288.pdf [firstpage_image] =>[orig_patent_app_number] => 398229 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/398229
Material heating oven Aug 20, 1989 Issued
Array ( [id] => 2579290 [patent_doc_number] => 04920924 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-05-01 [patent_title] => 'Fluidized bed steam generating system including a steam cooled cyclone separator' [patent_app_type] => 1 [patent_app_number] => 7/395865 [patent_app_country] => US [patent_app_date] => 1989-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4199 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/920/04920924.pdf [firstpage_image] =>[orig_patent_app_number] => 395865 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/395865
Fluidized bed steam generating system including a steam cooled cyclone separator Aug 17, 1989 Issued
Array ( [id] => 2746671 [patent_doc_number] => 05005494 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-09 [patent_title] => 'Apparatus and method for high temperature disposal of hazardous waste materials' [patent_app_type] => 1 [patent_app_number] => 7/394738 [patent_app_country] => US [patent_app_date] => 1989-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 9 [patent_no_of_words] => 4286 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/005/05005494.pdf [firstpage_image] =>[orig_patent_app_number] => 394738 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/394738
Apparatus and method for high temperature disposal of hazardous waste materials Aug 15, 1989 Issued
Array ( [id] => 2695472 [patent_doc_number] => 04981262 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-01 [patent_title] => 'Unit for supplying combustion air to a furnace' [patent_app_type] => 1 [patent_app_number] => 7/392895 [patent_app_country] => US [patent_app_date] => 1989-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2982 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 320 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/981/04981262.pdf [firstpage_image] =>[orig_patent_app_number] => 392895 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/392895
Unit for supplying combustion air to a furnace Aug 13, 1989 Issued
Array ( [id] => 3993321 [patent_doc_number] => 05878702 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-03-09 [patent_title] => 'Exhaust timing control device for two-cycle engine' [patent_app_type] => 1 [patent_app_number] => 7/387935 [patent_app_country] => US [patent_app_date] => 1989-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2294 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/878/05878702.pdf [firstpage_image] =>[orig_patent_app_number] => 387935 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/387935
Exhaust timing control device for two-cycle engine Jul 31, 1989 Issued
Array ( [id] => 2589682 [patent_doc_number] => 04975048 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-04 [patent_title] => 'Heating apparatus' [patent_app_type] => 1 [patent_app_number] => 7/387702 [patent_app_country] => US [patent_app_date] => 1989-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 4099 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/975/04975048.pdf [firstpage_image] =>[orig_patent_app_number] => 387702 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/387702
Heating apparatus Jul 30, 1989 Issued
Array ( [id] => 2584712 [patent_doc_number] => 04947804 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-14 [patent_title] => 'Fluidized bed steam generation system and method having an external heat exchanger' [patent_app_type] => 1 [patent_app_number] => 7/386181 [patent_app_country] => US [patent_app_date] => 1989-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2651 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/947/04947804.pdf [firstpage_image] =>[orig_patent_app_number] => 386181 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/386181
Fluidized bed steam generation system and method having an external heat exchanger Jul 27, 1989 Issued
Array ( [id] => 2696866 [patent_doc_number] => 05009172 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-23 [patent_title] => 'Method for and apparatus of thermal treatment of human waste' [patent_app_type] => 1 [patent_app_number] => 7/384345 [patent_app_country] => US [patent_app_date] => 1989-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4949 [patent_no_of_claims] => 4 [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/05/009/05009172.pdf [firstpage_image] =>[orig_patent_app_number] => 384345 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/384345
Method for and apparatus of thermal treatment of human waste Jul 24, 1989 Issued
Array ( [id] => 2733147 [patent_doc_number] => 05042171 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-27 [patent_title] => 'Clothes dryer' [patent_app_type] => 1 [patent_app_number] => 7/384827 [patent_app_country] => US [patent_app_date] => 1989-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 16 [patent_no_of_words] => 7598 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/042/05042171.pdf [firstpage_image] =>[orig_patent_app_number] => 384827 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/384827
Clothes dryer Jul 24, 1989 Issued
Array ( [id] => 2552303 [patent_doc_number] => 04941822 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-17 [patent_title] => 'Apparatus for heat treating contaminated particulate material' [patent_app_type] => 1 [patent_app_number] => 7/382228 [patent_app_country] => US [patent_app_date] => 1989-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2680 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/941/04941822.pdf [firstpage_image] =>[orig_patent_app_number] => 382228 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/382228
Apparatus for heat treating contaminated particulate material Jul 19, 1989 Issued
Array ( [id] => 2589664 [patent_doc_number] => 04975047 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-04 [patent_title] => 'Oven provided with oxygen concentration controls' [patent_app_type] => 1 [patent_app_number] => 7/383149 [patent_app_country] => US [patent_app_date] => 1989-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4463 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 235 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/975/04975047.pdf [firstpage_image] =>[orig_patent_app_number] => 383149 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/383149
Oven provided with oxygen concentration controls Jul 18, 1989 Issued
Array ( [id] => 2582303 [patent_doc_number] => 04969818 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-13 [patent_title] => 'Truck for firing furnace' [patent_app_type] => 1 [patent_app_number] => 7/383274 [patent_app_country] => US [patent_app_date] => 1989-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2385 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/969/04969818.pdf [firstpage_image] =>[orig_patent_app_number] => 383274 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/383274
Truck for firing furnace Jul 18, 1989 Issued
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