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
06/680467 WATER - SODIUM STEAM GENERATOR WITH STRAIGHT CONCENTRIC TUBES AND GAS CIRCULATING IN THE ANNULAR SPACE Dec 10, 1984 Abandoned
Array ( [id] => 2794056 [patent_doc_number] => 05145361 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-08 [patent_title] => 'Burner and method for metallurgical heating and melting' [patent_app_type] => 1 [patent_app_number] => 6/677983 [patent_app_country] => US [patent_app_date] => 1984-12-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 3882 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 22 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/145/05145361.pdf [firstpage_image] =>[orig_patent_app_number] => 677983 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/677983
Burner and method for metallurgical heating and melting Dec 3, 1984 Issued
Array ( [id] => 2142525 [patent_doc_number] => 04538552 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-09-03 [patent_title] => 'Primary air duct cleaning apparatus for recovery boilers' [patent_app_type] => 1 [patent_app_number] => 6/677635 [patent_app_country] => US [patent_app_date] => 1984-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1272 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/538/04538552.pdf [firstpage_image] =>[orig_patent_app_number] => 677635 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/677635
Primary air duct cleaning apparatus for recovery boilers Dec 2, 1984 Issued
Array ( [id] => 2342547 [patent_doc_number] => 04649868 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-03-17 [patent_title] => 'Sludge trap with internal baffles for use in nuclear steam generator' [patent_app_type] => 1 [patent_app_number] => 6/677767 [patent_app_country] => US [patent_app_date] => 1984-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4963 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 358 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/649/04649868.pdf [firstpage_image] =>[orig_patent_app_number] => 677767 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/677767
Sludge trap with internal baffles for use in nuclear steam generator Dec 2, 1984 Issued
Array ( [id] => 2166495 [patent_doc_number] => 04561422 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-12-31 [patent_title] => 'Hot air type heater' [patent_app_type] => 1 [patent_app_number] => 6/675181 [patent_app_country] => US [patent_app_date] => 1984-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3692 [patent_no_of_claims] => 18 [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/04/561/04561422.pdf [firstpage_image] =>[orig_patent_app_number] => 675181 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/675181
Hot air type heater Nov 26, 1984 Issued
Array ( [id] => 2135921 [patent_doc_number] => 04552076 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-11-12 [patent_title] => 'Coal fired furnace light-off and stabilization using microfine pulverized coal' [patent_app_type] => 1 [patent_app_number] => 6/673051 [patent_app_country] => US [patent_app_date] => 1984-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3320 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/552/04552076.pdf [firstpage_image] =>[orig_patent_app_number] => 673051 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/673051
Coal fired furnace light-off and stabilization using microfine pulverized coal Nov 18, 1984 Issued
06/673241 DEVICE FOR SUSPENDING A BUNDLE OF HORIZONTAL TUBES IN A VERTICAL PLANE, AND METHOD OF FABRICATING THE DEVICE Nov 18, 1984 Abandoned
Array ( [id] => 2187314 [patent_doc_number] => 04541245 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-09-17 [patent_title] => 'Method and apparatus for calcining fine grained material' [patent_app_type] => 1 [patent_app_number] => 6/673109 [patent_app_country] => US [patent_app_date] => 1984-11-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3821 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/541/04541245.pdf [firstpage_image] =>[orig_patent_app_number] => 673109 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/673109
Method and apparatus for calcining fine grained material Nov 18, 1984 Issued
Array ( [id] => 2252305 [patent_doc_number] => 04588378 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-05-13 [patent_title] => 'Continuous heat treating furnace for metallic strip' [patent_app_type] => 1 [patent_app_number] => 6/671631 [patent_app_country] => US [patent_app_date] => 1984-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3225 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 468 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/588/04588378.pdf [firstpage_image] =>[orig_patent_app_number] => 671631 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/671631
Continuous heat treating furnace for metallic strip Nov 14, 1984 Issued
06/670412 CARBONACEOUS SLURRY COMBUSTOR Nov 12, 1984 Abandoned
Array ( [id] => 2210577 [patent_doc_number] => 04593630 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-06-10 [patent_title] => 'Apparatus for fluidizing a particulate material in a conveying gas' [patent_app_type] => 1 [patent_app_number] => 6/670730 [patent_app_country] => US [patent_app_date] => 1984-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3375 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 394 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/593/04593630.pdf [firstpage_image] =>[orig_patent_app_number] => 670730 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/670730
Apparatus for fluidizing a particulate material in a conveying gas Nov 12, 1984 Issued
06/670417 SLAGGING COMBUSTION SYSTEM Nov 12, 1984 Abandoned
Array ( [id] => 2255124 [patent_doc_number] => 04592293 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-06-03 [patent_title] => 'Method of controlling an air heater of a coal-fired boiler' [patent_app_type] => 1 [patent_app_number] => 6/669799 [patent_app_country] => US [patent_app_date] => 1984-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4166 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/592/04592293.pdf [firstpage_image] =>[orig_patent_app_number] => 669799 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/669799
Method of controlling an air heater of a coal-fired boiler Nov 8, 1984 Issued
Array ( [id] => 2254053 [patent_doc_number] => 04628828 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-12-16 [patent_title] => 'Ash handling systems for combustion equipment' [patent_app_type] => 1 [patent_app_number] => 6/668715 [patent_app_country] => US [patent_app_date] => 1984-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 1553 [patent_no_of_claims] => 14 [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/04/628/04628828.pdf [firstpage_image] =>[orig_patent_app_number] => 668715 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/668715
Ash handling systems for combustion equipment Nov 5, 1984 Issued
Array ( [id] => 2217655 [patent_doc_number] => 04609343 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-09-02 [patent_title] => 'Temperature distribution regulating sample holder-adapter for forming conditions for gradient heat treatment in heat treatment ovens or furnaces' [patent_app_type] => 1 [patent_app_number] => 6/667773 [patent_app_country] => US [patent_app_date] => 1984-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5915 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/609/04609343.pdf [firstpage_image] =>[orig_patent_app_number] => 667773 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/667773
Temperature distribution regulating sample holder-adapter for forming conditions for gradient heat treatment in heat treatment ovens or furnaces Nov 1, 1984 Issued
Array ( [id] => 2276893 [patent_doc_number] => 04601657 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-07-22 [patent_title] => 'Process for the calcination of a pulverized mineral material' [patent_app_type] => 1 [patent_app_number] => 6/665625 [patent_app_country] => US [patent_app_date] => 1984-10-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2796 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/601/04601657.pdf [firstpage_image] =>[orig_patent_app_number] => 665625 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/665625
Process for the calcination of a pulverized mineral material Oct 28, 1984 Issued
Array ( [id] => 2190197 [patent_doc_number] => 04534276 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-08-13 [patent_title] => 'Room heat circulation system' [patent_app_type] => 1 [patent_app_number] => 6/665313 [patent_app_country] => US [patent_app_date] => 1984-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2247 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 322 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/534/04534276.pdf [firstpage_image] =>[orig_patent_app_number] => 665313 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/665313
Room heat circulation system Oct 25, 1984 Issued
06/664269 COAL SLAGGING BURNER FOR PRODUCING CLEAN LOW-SULFUR FUEL GAS Oct 23, 1984 Abandoned
Array ( [id] => 2230363 [patent_doc_number] => 04607564 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-08-26 [patent_title] => 'Blower housing arrangement' [patent_app_type] => 1 [patent_app_number] => 6/662556 [patent_app_country] => US [patent_app_date] => 1984-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 968 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/607/04607564.pdf [firstpage_image] =>[orig_patent_app_number] => 662556 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/662556
Blower housing arrangement Oct 18, 1984 Issued
06/662482 POWDERED COAL BURNER Oct 18, 1984 Abandoned
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