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] => 1979399 [patent_doc_number] => 04355601 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-10-26 [patent_title] => 'Recirculating flue gas fluidized bed heater' [patent_app_type] => 1 [patent_app_number] => 6/305755 [patent_app_country] => US [patent_app_date] => 1981-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4704 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/355/04355601.pdf [firstpage_image] =>[orig_patent_app_number] => 305755 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/305755
Recirculating flue gas fluidized bed heater Sep 24, 1981 Issued
Array ( [id] => 2253976 [patent_doc_number] => 04569311 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-02-11 [patent_title] => 'Method of firing a pulverized coal-fired furnace' [patent_app_type] => 1 [patent_app_number] => 6/305060 [patent_app_country] => US [patent_app_date] => 1981-09-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3448 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/569/04569311.pdf [firstpage_image] =>[orig_patent_app_number] => 305060 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/305060
Method of firing a pulverized coal-fired furnace Sep 23, 1981 Issued
06/304860 APPARATUS AND METHOD FOR THE PULVERIZATION AND BURNING OF SOLIDS FUELS Sep 22, 1981 Abandoned
Array ( [id] => 2002839 [patent_doc_number] => 04398503 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-16 [patent_title] => 'Method and apparatus for metering a feed of hydrogen fluoride vapor' [patent_app_type] => 1 [patent_app_number] => 6/303114 [patent_app_country] => US [patent_app_date] => 1981-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1513 [patent_no_of_claims] => 1 [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/04/398/04398503.pdf [firstpage_image] =>[orig_patent_app_number] => 303114 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/303114
Method and apparatus for metering a feed of hydrogen fluoride vapor Sep 16, 1981 Issued
Array ( [id] => 1928799 [patent_doc_number] => 04349969 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-09-21 [patent_title] => 'Fluidized bed reactor utilizing zonal fluidization and anti-mounding pipes' [patent_app_type] => 1 [patent_app_number] => 6/300877 [patent_app_country] => US [patent_app_date] => 1981-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2494 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/349/04349969.pdf [firstpage_image] =>[orig_patent_app_number] => 300877 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/300877
Fluidized bed reactor utilizing zonal fluidization and anti-mounding pipes Sep 10, 1981 Issued
Array ( [id] => 1973288 [patent_doc_number] => 04347810 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-09-07 [patent_title] => 'Combustion chamber wall' [patent_app_type] => 1 [patent_app_number] => 6/300662 [patent_app_country] => US [patent_app_date] => 1981-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1493 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/347/04347810.pdf [firstpage_image] =>[orig_patent_app_number] => 300662 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/300662
Combustion chamber wall Sep 8, 1981 Issued
Array ( [id] => 2026721 [patent_doc_number] => 04377133 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-03-22 [patent_title] => 'Cryogenic heater' [patent_app_type] => 1 [patent_app_number] => 6/299330 [patent_app_country] => US [patent_app_date] => 1981-09-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2342 [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/04/377/04377133.pdf [firstpage_image] =>[orig_patent_app_number] => 299330 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/299330
Cryogenic heater Sep 3, 1981 Issued
Array ( [id] => 2023210 [patent_doc_number] => 04377978 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-03-29 [patent_title] => 'Firing system and burner for rotary kiln' [patent_app_type] => 1 [patent_app_number] => 6/298863 [patent_app_country] => US [patent_app_date] => 1981-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2193 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 206 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/377/04377978.pdf [firstpage_image] =>[orig_patent_app_number] => 298863 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/298863
Firing system and burner for rotary kiln Sep 2, 1981 Issued
Array ( [id] => 1999849 [patent_doc_number] => 04387654 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-06-14 [patent_title] => 'Method for firing a rotary kiln with pulverized solid fuel' [patent_app_type] => 1 [patent_app_number] => 6/298825 [patent_app_country] => US [patent_app_date] => 1981-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5686 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/387/04387654.pdf [firstpage_image] =>[orig_patent_app_number] => 298825 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/298825
Method for firing a rotary kiln with pulverized solid fuel Sep 1, 1981 Issued
Array ( [id] => 1976335 [patent_doc_number] => 04351248 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-09-28 [patent_title] => 'Heating boiler for the combustion of baled straw' [patent_app_type] => 1 [patent_app_number] => 6/298760 [patent_app_country] => US [patent_app_date] => 1981-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 3635 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/351/04351248.pdf [firstpage_image] =>[orig_patent_app_number] => 298760 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/298760
Heating boiler for the combustion of baled straw Sep 1, 1981 Issued
Array ( [id] => 1966522 [patent_doc_number] => 04362502 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-12-07 [patent_title] => 'Fixing and heating device for electrostatic copying apparatus' [patent_app_type] => 1 [patent_app_number] => 6/298771 [patent_app_country] => US [patent_app_date] => 1981-09-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4651 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 407 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/362/04362502.pdf [firstpage_image] =>[orig_patent_app_number] => 298771 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/298771
Fixing and heating device for electrostatic copying apparatus Sep 1, 1981 Issued
Array ( [id] => 2070326 [patent_doc_number] => 04444153 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-04-24 [patent_title] => 'Grateless furnace for solid fuel' [patent_app_type] => 1 [patent_app_number] => 6/293475 [patent_app_country] => US [patent_app_date] => 1981-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5735 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 302 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/444/04444153.pdf [firstpage_image] =>[orig_patent_app_number] => 293475 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/293475
Grateless furnace for solid fuel Aug 16, 1981 Issued
Array ( [id] => 2026562 [patent_doc_number] => 04377115 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-03-22 [patent_title] => 'Furnace for burning particulate wood waste material' [patent_app_type] => 1 [patent_app_number] => 6/292020 [patent_app_country] => US [patent_app_date] => 1981-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3890 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 256 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/377/04377115.pdf [firstpage_image] =>[orig_patent_app_number] => 292020 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/292020
Furnace for burning particulate wood waste material Aug 10, 1981 Issued
Array ( [id] => 2026584 [patent_doc_number] => 04377117 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-03-22 [patent_title] => 'Particulate waste wood firing system' [patent_app_type] => 1 [patent_app_number] => 6/291965 [patent_app_country] => US [patent_app_date] => 1981-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3893 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 263 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/377/04377117.pdf [firstpage_image] =>[orig_patent_app_number] => 291965 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/291965
Particulate waste wood firing system Aug 10, 1981 Issued
Array ( [id] => 1979404 [patent_doc_number] => 04355602 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-10-26 [patent_title] => 'Boiler' [patent_app_type] => 1 [patent_app_number] => 6/291693 [patent_app_country] => US [patent_app_date] => 1981-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 3155 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 355 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/355/04355602.pdf [firstpage_image] =>[orig_patent_app_number] => 291693 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/291693
Boiler Aug 9, 1981 Issued
Array ( [id] => 1957515 [patent_doc_number] => 04357883 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-09 [patent_title] => 'Bed drain cover assembly for a fluidized bed' [patent_app_type] => 1 [patent_app_number] => 6/291600 [patent_app_country] => US [patent_app_date] => 1981-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1240 [patent_no_of_claims] => 3 [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/04/357/04357883.pdf [firstpage_image] =>[orig_patent_app_number] => 291600 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/291600
Bed drain cover assembly for a fluidized bed Aug 9, 1981 Issued
Array ( [id] => 2052577 [patent_doc_number] => 04432289 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-02-21 [patent_title] => 'Furnace brick tie back assembly' [patent_app_type] => 1 [patent_app_number] => 6/286341 [patent_app_country] => US [patent_app_date] => 1981-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 964 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 211 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/432/04432289.pdf [firstpage_image] =>[orig_patent_app_number] => 286341 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/286341
Furnace brick tie back assembly Jul 22, 1981 Issued
Array ( [id] => 2017693 [patent_doc_number] => 04394848 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-07-26 [patent_title] => 'Central heating boiler' [patent_app_type] => 1 [patent_app_number] => 6/285837 [patent_app_country] => US [patent_app_date] => 1981-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2909 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 385 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/394/04394848.pdf [firstpage_image] =>[orig_patent_app_number] => 285837 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/285837
Central heating boiler Jul 21, 1981 Issued
Array ( [id] => 2023149 [patent_doc_number] => 04376343 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-03-15 [patent_title] => 'Method and apparatus for drying bagasse' [patent_app_type] => 1 [patent_app_number] => 6/285574 [patent_app_country] => US [patent_app_date] => 1981-07-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3601 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/376/04376343.pdf [firstpage_image] =>[orig_patent_app_number] => 285574 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/285574
Method and apparatus for drying bagasse Jul 20, 1981 Issued
Array ( [id] => 2020090 [patent_doc_number] => 04380215 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-04-19 [patent_title] => 'Liquid fuel-fired water heating tank' [patent_app_type] => 1 [patent_app_number] => 6/284064 [patent_app_country] => US [patent_app_date] => 1981-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 3922 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 620 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/380/04380215.pdf [firstpage_image] =>[orig_patent_app_number] => 284064 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/284064
Liquid fuel-fired water heating tank Jul 15, 1981 Issued
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