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] => 2031989 [patent_doc_number] => 04413572 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-11-08 [patent_title] => 'Adjustable support assembly for open hearth furnace' [patent_app_type] => 1 [patent_app_number] => 6/472729 [patent_app_country] => US [patent_app_date] => 1983-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 1356 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 338 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/413/04413572.pdf [firstpage_image] =>[orig_patent_app_number] => 472729 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/472729
Adjustable support assembly for open hearth furnace Mar 6, 1983 Issued
Array ( [id] => 2079466 [patent_doc_number] => 04465026 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-08-14 [patent_title] => 'Automatic boiler blowdown system including blowdown sequence control' [patent_app_type] => 1 [patent_app_number] => 6/472581 [patent_app_country] => US [patent_app_date] => 1983-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5773 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/465/04465026.pdf [firstpage_image] =>[orig_patent_app_number] => 472581 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/472581
Automatic boiler blowdown system including blowdown sequence control Mar 6, 1983 Issued
Array ( [id] => 2102692 [patent_doc_number] => 04466384 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-08-21 [patent_title] => 'Arrangement for cooling a gas produced in a gasifier' [patent_app_type] => 1 [patent_app_number] => 6/472943 [patent_app_country] => US [patent_app_date] => 1983-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1715 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 241 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/466/04466384.pdf [firstpage_image] =>[orig_patent_app_number] => 472943 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/472943
Arrangement for cooling a gas produced in a gasifier Mar 6, 1983 Issued
Array ( [id] => 2121870 [patent_doc_number] => 04425855 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-01-17 [patent_title] => 'Secondary air control damper arrangement' [patent_app_type] => 1 [patent_app_number] => 6/471975 [patent_app_country] => US [patent_app_date] => 1983-03-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2984 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/425/04425855.pdf [firstpage_image] =>[orig_patent_app_number] => 471975 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/471975
Secondary air control damper arrangement Mar 3, 1983 Issued
Array ( [id] => 2089269 [patent_doc_number] => 04474010 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-10-02 [patent_title] => 'Method of recovering exhaust gas from boiler in electrical power generating device using combustible material as fuel and apparatus for performing such method' [patent_app_type] => 1 [patent_app_number] => 6/471339 [patent_app_country] => US [patent_app_date] => 1983-03-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 12 [patent_no_of_words] => 4991 [patent_no_of_claims] => 3 [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/04/474/04474010.pdf [firstpage_image] =>[orig_patent_app_number] => 471339 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/471339
Method of recovering exhaust gas from boiler in electrical power generating device using combustible material as fuel and apparatus for performing such method Mar 1, 1983 Issued
Array ( [id] => 2093366 [patent_doc_number] => 04457241 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-07-03 [patent_title] => 'Method of burning pulverized coal' [patent_app_type] => 1 [patent_app_number] => 6/469117 [patent_app_country] => US [patent_app_date] => 1983-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3362 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/457/04457241.pdf [firstpage_image] =>[orig_patent_app_number] => 469117 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/469117
Method of burning pulverized coal Feb 22, 1983 Issued
Array ( [id] => 2109850 [patent_doc_number] => 04479442 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-10-30 [patent_title] => 'Venturi burner nozzle for pulverized coal' [patent_app_type] => 1 [patent_app_number] => 6/469019 [patent_app_country] => US [patent_app_date] => 1983-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3314 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 272 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/479/04479442.pdf [firstpage_image] =>[orig_patent_app_number] => 469019 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/469019
Venturi burner nozzle for pulverized coal Feb 22, 1983 Issued
Array ( [id] => 2133232 [patent_doc_number] => 04493271 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-01-15 [patent_title] => 'Coal or multifuel burner' [patent_app_type] => 1 [patent_app_number] => 6/468417 [patent_app_country] => US [patent_app_date] => 1983-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3356 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 418 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/493/04493271.pdf [firstpage_image] =>[orig_patent_app_number] => 468417 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/468417
Coal or multifuel burner Feb 21, 1983 Issued
Array ( [id] => 2115007 [patent_doc_number] => 04480591 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-11-06 [patent_title] => 'Condensing boiler' [patent_app_type] => 1 [patent_app_number] => 6/463127 [patent_app_country] => US [patent_app_date] => 1983-02-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1975 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 343 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/480/04480591.pdf [firstpage_image] =>[orig_patent_app_number] => 463127 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/463127
Condensing boiler Feb 1, 1983 Issued
Array ( [id] => 2121913 [patent_doc_number] => 04489788 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-12-25 [patent_title] => 'Steam generator' [patent_app_type] => 1 [patent_app_number] => 6/462445 [patent_app_country] => US [patent_app_date] => 1983-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4967 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 452 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/489/04489788.pdf [firstpage_image] =>[orig_patent_app_number] => 462445 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/462445
Steam generator Jan 30, 1983 Issued
Array ( [id] => 2122281 [patent_doc_number] => 04453473 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-12 [patent_title] => 'Plant for supplying heating systems with solid flowable fuel' [patent_app_type] => 1 [patent_app_number] => 6/461983 [patent_app_country] => US [patent_app_date] => 1983-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3214 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/453/04453473.pdf [firstpage_image] =>[orig_patent_app_number] => 461983 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/461983
Plant for supplying heating systems with solid flowable fuel Jan 27, 1983 Issued
Array ( [id] => 2066667 [patent_doc_number] => 04424766 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-01-10 [patent_title] => 'Hydro/pressurized fluidized bed combustor' [patent_app_type] => 1 [patent_app_number] => 6/461919 [patent_app_country] => US [patent_app_date] => 1983-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4132 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/424/04424766.pdf [firstpage_image] =>[orig_patent_app_number] => 461919 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/461919
Hydro/pressurized fluidized bed combustor Jan 27, 1983 Issued
Array ( [id] => 2135862 [patent_doc_number] => 04498426 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-02-12 [patent_title] => 'Superheated steam generator comprising bank of U-tubes' [patent_app_type] => 1 [patent_app_number] => 6/461065 [patent_app_country] => US [patent_app_date] => 1983-01-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3538 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 426 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/498/04498426.pdf [firstpage_image] =>[orig_patent_app_number] => 461065 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/461065
Superheated steam generator comprising bank of U-tubes Jan 25, 1983 Issued
Array ( [id] => 2351459 [patent_doc_number] => 04664042 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-05-12 [patent_title] => 'Method of decreasing ash fouling' [patent_app_type] => 1 [patent_app_number] => 6/460223 [patent_app_country] => US [patent_app_date] => 1983-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2780 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/664/04664042.pdf [firstpage_image] =>[orig_patent_app_number] => 460223 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/460223
Method of decreasing ash fouling Jan 23, 1983 Issued
Array ( [id] => 2172530 [patent_doc_number] => 04503810 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-12 [patent_title] => 'Water heater' [patent_app_type] => 1 [patent_app_number] => 6/465870 [patent_app_country] => US [patent_app_date] => 1983-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 2515 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 364 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/503/04503810.pdf [firstpage_image] =>[orig_patent_app_number] => 465870 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/465870
Water heater Jan 23, 1983 Issued
Array ( [id] => 2052499 [patent_doc_number] => 04454828 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-19 [patent_title] => 'System for burning bio-mass pellets' [patent_app_type] => 1 [patent_app_number] => 6/460190 [patent_app_country] => US [patent_app_date] => 1983-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 4753 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/454/04454828.pdf [firstpage_image] =>[orig_patent_app_number] => 460190 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/460190
System for burning bio-mass pellets Jan 23, 1983 Issued
Array ( [id] => 2068760 [patent_doc_number] => 04459922 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-07-17 [patent_title] => 'Externally adjustable pipe orifice assembly' [patent_app_type] => 1 [patent_app_number] => 6/460222 [patent_app_country] => US [patent_app_date] => 1983-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1836 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/459/04459922.pdf [firstpage_image] =>[orig_patent_app_number] => 460222 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/460222
Externally adjustable pipe orifice assembly Jan 23, 1983 Issued
Array ( [id] => 2081415 [patent_doc_number] => 04475470 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-10-09 [patent_title] => 'Suspended roof construction for industrial furnaces' [patent_app_type] => 1 [patent_app_number] => 6/456629 [patent_app_country] => US [patent_app_date] => 1983-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3534 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/475/04475470.pdf [firstpage_image] =>[orig_patent_app_number] => 456629 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/456629
Suspended roof construction for industrial furnaces Jan 9, 1983 Issued
Array ( [id] => 2067070 [patent_doc_number] => 04470358 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-09-11 [patent_title] => 'Continuous solid fuel-bed degasification burner apparatus' [patent_app_type] => 1 [patent_app_number] => 6/456280 [patent_app_country] => US [patent_app_date] => 1983-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 3358 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/470/04470358.pdf [firstpage_image] =>[orig_patent_app_number] => 456280 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/456280
Continuous solid fuel-bed degasification burner apparatus Jan 5, 1983 Issued
Array ( [id] => 2113103 [patent_doc_number] => 04479777 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-10-30 [patent_title] => 'Header brick in regenerator lattice structure' [patent_app_type] => 1 [patent_app_number] => 6/454182 [patent_app_country] => US [patent_app_date] => 1982-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2777 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/479/04479777.pdf [firstpage_image] =>[orig_patent_app_number] => 454182 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/454182
Header brick in regenerator lattice structure Dec 26, 1982 Issued
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