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] => 2072936 [patent_doc_number] => 04460331 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-07-17 [patent_title] => 'Fume incineration for paint drying oven' [patent_app_type] => 1 [patent_app_number] => 6/493858 [patent_app_country] => US [patent_app_date] => 1983-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2862 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/460/04460331.pdf [firstpage_image] =>[orig_patent_app_number] => 493858 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/493858
Fume incineration for paint drying oven May 11, 1983 Issued
Array ( [id] => 2173611 [patent_doc_number] => 04503886 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-12 [patent_title] => 'Flow limiting selector valve' [patent_app_type] => 1 [patent_app_number] => 6/494084 [patent_app_country] => US [patent_app_date] => 1983-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 3785 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/503/04503886.pdf [firstpage_image] =>[orig_patent_app_number] => 494084 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/494084
Flow limiting selector valve May 11, 1983 Issued
Array ( [id] => 2175462 [patent_doc_number] => 04507079 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-03-26 [patent_title] => 'Apparatus for discharging solids from a shaft furnace' [patent_app_type] => 1 [patent_app_number] => 6/493204 [patent_app_country] => US [patent_app_date] => 1983-05-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3818 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/507/04507079.pdf [firstpage_image] =>[orig_patent_app_number] => 493204 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/493204
Apparatus for discharging solids from a shaft furnace May 9, 1983 Issued
06/492046 THREE-WAY CHANGE-OVER VALVE May 5, 1983 Abandoned
Array ( [id] => 2155499 [patent_doc_number] => 04509917 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-04-09 [patent_title] => 'Device for removing grate screenings' [patent_app_type] => 1 [patent_app_number] => 6/492386 [patent_app_country] => US [patent_app_date] => 1983-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 964 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/509/04509917.pdf [firstpage_image] =>[orig_patent_app_number] => 492386 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/492386
Device for removing grate screenings May 5, 1983 Issued
Array ( [id] => 2072973 [patent_doc_number] => 04460335 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-07-17 [patent_title] => 'System for preventing excess pressure in a gap between a double-shell structure of a blast heating apparatus' [patent_app_type] => 1 [patent_app_number] => 6/492005 [patent_app_country] => US [patent_app_date] => 1983-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1733 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/460/04460335.pdf [firstpage_image] =>[orig_patent_app_number] => 492005 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/492005
System for preventing excess pressure in a gap between a double-shell structure of a blast heating apparatus May 4, 1983 Issued
Array ( [id] => 2175938 [patent_doc_number] => 04508504 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-04-02 [patent_title] => 'Blast heating apparatus for blast furnaces' [patent_app_type] => 1 [patent_app_number] => 6/492001 [patent_app_country] => US [patent_app_date] => 1983-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2426 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/508/04508504.pdf [firstpage_image] =>[orig_patent_app_number] => 492001 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/492001
Blast heating apparatus for blast furnaces May 4, 1983 Issued
Array ( [id] => 2052825 [patent_doc_number] => 04454860 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-19 [patent_title] => 'Fuel stoker and furnace' [patent_app_type] => 1 [patent_app_number] => 6/490774 [patent_app_country] => US [patent_app_date] => 1983-05-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 4297 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 401 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/454/04454860.pdf [firstpage_image] =>[orig_patent_app_number] => 490774 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/490774
Fuel stoker and furnace May 1, 1983 Issued
Array ( [id] => 2181055 [patent_doc_number] => 04555232 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-11-26 [patent_title] => 'Hair drying apparatus' [patent_app_type] => 1 [patent_app_number] => 6/486538 [patent_app_country] => US [patent_app_date] => 1983-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2421 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/555/04555232.pdf [firstpage_image] =>[orig_patent_app_number] => 486538 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/486538
Hair drying apparatus Apr 11, 1983 Issued
Array ( [id] => 2069564 [patent_doc_number] => 04462798 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-07-31 [patent_title] => 'Kiln car furniture module(s)' [patent_app_type] => 1 [patent_app_number] => 6/483987 [patent_app_country] => US [patent_app_date] => 1983-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 12 [patent_no_of_words] => 3940 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 325 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/462/04462798.pdf [firstpage_image] =>[orig_patent_app_number] => 483987 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/483987
Kiln car furniture module(s) Apr 10, 1983 Issued
Array ( [id] => 2096125 [patent_doc_number] => 04445463 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-05-01 [patent_title] => 'Waste heat boiler' [patent_app_type] => 1 [patent_app_number] => 6/482595 [patent_app_country] => US [patent_app_date] => 1983-04-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1223 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/445/04445463.pdf [firstpage_image] =>[orig_patent_app_number] => 482595 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/482595
Waste heat boiler Apr 5, 1983 Issued
Array ( [id] => 2106674 [patent_doc_number] => 04466793 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-08-21 [patent_title] => 'Heat treatment jig for use in the manufacture of cathode-ray tubes' [patent_app_type] => 1 [patent_app_number] => 6/482046 [patent_app_country] => US [patent_app_date] => 1983-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2190 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/466/04466793.pdf [firstpage_image] =>[orig_patent_app_number] => 482046 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/482046
Heat treatment jig for use in the manufacture of cathode-ray tubes Apr 3, 1983 Issued
Array ( [id] => 2078725 [patent_doc_number] => 04434724 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-03-06 [patent_title] => 'Overbed distributor for feeding dual solid fuels to a stoker furnace' [patent_app_type] => 1 [patent_app_number] => 6/481214 [patent_app_country] => US [patent_app_date] => 1983-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1229 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/434/04434724.pdf [firstpage_image] =>[orig_patent_app_number] => 481214 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/481214
Overbed distributor for feeding dual solid fuels to a stoker furnace Mar 31, 1983 Issued
Array ( [id] => 2219563 [patent_doc_number] => 04570702 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-02-18 [patent_title] => 'Shell and tube vertical heat exchanger with sleeves around the tubes' [patent_app_type] => 1 [patent_app_number] => 6/479698 [patent_app_country] => US [patent_app_date] => 1983-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1839 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/570/04570702.pdf [firstpage_image] =>[orig_patent_app_number] => 479698 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/479698
Shell and tube vertical heat exchanger with sleeves around the tubes Mar 27, 1983 Issued
Array ( [id] => 2093457 [patent_doc_number] => 04469034 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-09-04 [patent_title] => 'Incineration of and energy recovery from relatively incombustible waste, especially rubber and plastic' [patent_app_type] => 1 [patent_app_number] => 6/478446 [patent_app_country] => US [patent_app_date] => 1983-03-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2880 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/469/04469034.pdf [firstpage_image] =>[orig_patent_app_number] => 478446 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/478446
Incineration of and energy recovery from relatively incombustible waste, especially rubber and plastic Mar 23, 1983 Issued
Array ( [id] => 2054308 [patent_doc_number] => 04426939 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-01-24 [patent_title] => 'Method of reducing NO.sub.x and SO.sub.x emission' [patent_app_type] => 1 [patent_app_number] => 6/476947 [patent_app_country] => US [patent_app_date] => 1983-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 910 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/426/04426939.pdf [firstpage_image] =>[orig_patent_app_number] => 476947 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/476947
Method of reducing NO.sub.x and SO.sub.x emission Mar 20, 1983 Issued
Array ( [id] => 2135872 [patent_doc_number] => 04498427 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-02-12 [patent_title] => 'Sludge lance with multiple nozzle jet head' [patent_app_type] => 1 [patent_app_number] => 6/477181 [patent_app_country] => US [patent_app_date] => 1983-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 6244 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/498/04498427.pdf [firstpage_image] =>[orig_patent_app_number] => 477181 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/477181
Sludge lance with multiple nozzle jet head Mar 20, 1983 Issued
Array ( [id] => 2246799 [patent_doc_number] => 04602682 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-07-29 [patent_title] => 'Heat exchanger' [patent_app_type] => 1 [patent_app_number] => 6/475556 [patent_app_country] => US [patent_app_date] => 1983-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 3958 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/602/04602682.pdf [firstpage_image] =>[orig_patent_app_number] => 475556 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/475556
Heat exchanger Mar 14, 1983 Issued
Array ( [id] => 2291589 [patent_doc_number] => 04672900 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-06-16 [patent_title] => 'System for injecting overfire air into a tangentially-fired furnace' [patent_app_type] => 1 [patent_app_number] => 6/474114 [patent_app_country] => US [patent_app_date] => 1983-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2002 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/672/04672900.pdf [firstpage_image] =>[orig_patent_app_number] => 474114 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/474114
System for injecting overfire air into a tangentially-fired furnace Mar 9, 1983 Issued
Array ( [id] => 2141493 [patent_doc_number] => 04497263 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-02-05 [patent_title] => 'Combustion system and method for a coal-fired furnace utilizing a wide turn-down burner' [patent_app_type] => 1 [patent_app_number] => 6/472807 [patent_app_country] => US [patent_app_date] => 1983-03-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2971 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/497/04497263.pdf [firstpage_image] =>[orig_patent_app_number] => 472807 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/472807
Combustion system and method for a coal-fired furnace utilizing a wide turn-down burner Mar 6, 1983 Issued
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