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] => 2031236 [patent_doc_number] => 04384534 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-05-24 [patent_title] => 'Ash removal system and heating mechanism for wood waste burners' [patent_app_type] => 1 [patent_app_number] => 6/201313 [patent_app_country] => US [patent_app_date] => 1980-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1902 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/384/04384534.pdf [firstpage_image] =>[orig_patent_app_number] => 201313 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/201313
Ash removal system and heating mechanism for wood waste burners Oct 26, 1980 Issued
Array ( [id] => 1957638 [patent_doc_number] => 04357907 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-09 [patent_title] => 'Fluidized bed combustor with improved indirect heat exchanger units' [patent_app_type] => 1 [patent_app_number] => 6/200751 [patent_app_country] => US [patent_app_date] => 1980-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2462 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 507 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/357/04357907.pdf [firstpage_image] =>[orig_patent_app_number] => 200751 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/200751
Fluidized bed combustor with improved indirect heat exchanger units Oct 26, 1980 Issued
Array ( [id] => 1989481 [patent_doc_number] => 04344373 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-08-17 [patent_title] => 'Method for pyrolyzing' [patent_app_type] => 1 [patent_app_number] => 6/199543 [patent_app_country] => US [patent_app_date] => 1980-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 7855 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/344/04344373.pdf [firstpage_image] =>[orig_patent_app_number] => 199543 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/199543
Method for pyrolyzing Oct 21, 1980 Issued
Array ( [id] => 1985525 [patent_doc_number] => 04345894 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-08-24 [patent_title] => 'Light fuel start-up fluidized bed combustor' [patent_app_type] => 1 [patent_app_number] => 6/198918 [patent_app_country] => US [patent_app_date] => 1980-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 2765 [patent_no_of_claims] => 5 [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/04/345/04345894.pdf [firstpage_image] =>[orig_patent_app_number] => 198918 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/198918
Light fuel start-up fluidized bed combustor Oct 19, 1980 Issued
Array ( [id] => 2015913 [patent_doc_number] => 04400150 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-23 [patent_title] => 'Fluidized bed combustor distributor plate assembly' [patent_app_type] => 1 [patent_app_number] => 6/198919 [patent_app_country] => US [patent_app_date] => 1980-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 2743 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/400/04400150.pdf [firstpage_image] =>[orig_patent_app_number] => 198919 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/198919
Fluidized bed combustor distributor plate assembly Oct 19, 1980 Issued
06/197119 LIQUID DISTRIBUTOR HEAD Oct 14, 1980 Abandoned
Array ( [id] => 2093636 [patent_doc_number] => RE031549 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-04-10 [patent_title] => 'One-piece roof vent device and methods of constructing and utilizing same' [patent_app_type] => 2 [patent_app_number] => 6/193711 [patent_app_country] => US [patent_app_date] => 1980-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1799 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/RE/031/RE031549.pdf [firstpage_image] =>[orig_patent_app_number] => 193711 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/193711
One-piece roof vent device and methods of constructing and utilizing same Oct 2, 1980 Issued
Array ( [id] => 2003255 [patent_doc_number] => 04391208 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-07-05 [patent_title] => 'Method for controlling temperatures in the afterburner and combustion hearths of a multiple hearth furnace' [patent_app_type] => 1 [patent_app_number] => 6/192021 [patent_app_country] => US [patent_app_date] => 1980-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 9427 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/391/04391208.pdf [firstpage_image] =>[orig_patent_app_number] => 192021 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/192021
Method for controlling temperatures in the afterburner and combustion hearths of a multiple hearth furnace Sep 28, 1980 Issued
Array ( [id] => 1943383 [patent_doc_number] => 04335661 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-06-22 [patent_title] => 'Fluidized bed heat exchanger having an air assisted bed drain' [patent_app_type] => 1 [patent_app_number] => 6/190299 [patent_app_country] => US [patent_app_date] => 1980-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2149 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/335/04335661.pdf [firstpage_image] =>[orig_patent_app_number] => 190299 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/190299
Fluidized bed heat exchanger having an air assisted bed drain Sep 23, 1980 Issued
Array ( [id] => 2012923 [patent_doc_number] => 04375956 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-03-08 [patent_title] => 'Hot blast stove arrangement for a blast furnace' [patent_app_type] => 1 [patent_app_number] => 6/187454 [patent_app_country] => US [patent_app_date] => 1980-09-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1481 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/375/04375956.pdf [firstpage_image] =>[orig_patent_app_number] => 187454 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/187454
Hot blast stove arrangement for a blast furnace Sep 14, 1980 Issued
Array ( [id] => 1960259 [patent_doc_number] => 04349331 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-09-14 [patent_title] => 'Furnace installation including fuel milling and burnt product cooling and method of operating same' [patent_app_type] => 1 [patent_app_number] => 6/186263 [patent_app_country] => US [patent_app_date] => 1980-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1919 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 21 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/349/04349331.pdf [firstpage_image] =>[orig_patent_app_number] => 186263 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/186263
Furnace installation including fuel milling and burnt product cooling and method of operating same Sep 10, 1980 Issued
Array ( [id] => 1965695 [patent_doc_number] => 04331105 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-05-25 [patent_title] => 'Forced-flow once-through boiler for variable supercritical pressure operation' [patent_app_type] => 1 [patent_app_number] => 6/184771 [patent_app_country] => US [patent_app_date] => 1980-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 3080 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/331/04331105.pdf [firstpage_image] =>[orig_patent_app_number] => 184771 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/184771
Forced-flow once-through boiler for variable supercritical pressure operation Sep 7, 1980 Issued
06/182862 WET ASH REMOVER Sep 1, 1980 Abandoned
Array ( [id] => 1940682 [patent_doc_number] => 04308808 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-01-05 [patent_title] => 'Coal burning method to reduce particulate and sulfur emissions' [patent_app_type] => 1 [patent_app_number] => 6/183617 [patent_app_country] => US [patent_app_date] => 1980-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3608 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/308/04308808.pdf [firstpage_image] =>[orig_patent_app_number] => 183617 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/183617
Coal burning method to reduce particulate and sulfur emissions Sep 1, 1980 Issued
Array ( [id] => 1898766 [patent_doc_number] => 04275668 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-06-30 [patent_title] => 'Coal feed system for a fluidized bed combustor' [patent_app_type] => 1 [patent_app_number] => 6/182207 [patent_app_country] => US [patent_app_date] => 1980-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2109 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/275/04275668.pdf [firstpage_image] =>[orig_patent_app_number] => 182207 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/182207
Coal feed system for a fluidized bed combustor Aug 27, 1980 Issued
Array ( [id] => 1962348 [patent_doc_number] => 04329943 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-05-18 [patent_title] => 'Heating boiler' [patent_app_type] => 1 [patent_app_number] => 6/179561 [patent_app_country] => US [patent_app_date] => 1980-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2567 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 257 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/329/04329943.pdf [firstpage_image] =>[orig_patent_app_number] => 179561 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/179561
Heating boiler Aug 18, 1980 Issued
06/176608 VENTILATION APPARATUS AND METHODS OF MAKING AND USING SAME Aug 7, 1980 Abandoned
Array ( [id] => 1951313 [patent_doc_number] => 04325328 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-04-20 [patent_title] => 'Vapor generator having a pair of combustion chambers' [patent_app_type] => 1 [patent_app_number] => 6/175881 [patent_app_country] => US [patent_app_date] => 1980-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3345 [patent_no_of_claims] => 7 [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/04/325/04325328.pdf [firstpage_image] =>[orig_patent_app_number] => 175881 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/175881
Vapor generator having a pair of combustion chambers Aug 5, 1980 Issued
Array ( [id] => 1985357 [patent_doc_number] => 04352323 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-10-05 [patent_title] => 'Air diffuser' [patent_app_type] => 1 [patent_app_number] => 6/175639 [patent_app_country] => US [patent_app_date] => 1980-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3438 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/352/04352323.pdf [firstpage_image] =>[orig_patent_app_number] => 175639 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/175639
Air diffuser Aug 5, 1980 Issued
Array ( [id] => 1965813 [patent_doc_number] => 04331126 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-05-25 [patent_title] => 'Furnace for solid fuels' [patent_app_type] => 1 [patent_app_number] => 6/174173 [patent_app_country] => US [patent_app_date] => 1980-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2239 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/331/04331126.pdf [firstpage_image] =>[orig_patent_app_number] => 174173 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/174173
Furnace for solid fuels Jul 30, 1980 Issued
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