
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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
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[patent_words_short_claim] => 343
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[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
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[patent_no_of_words] => 4132
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[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
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[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
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[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
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[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
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[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
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[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
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[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
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[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
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[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 |