
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] => 2031236
[patent_doc_number] => 04384534
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1983-05-24
[patent_title] => 'Ash removal system and heating mechanism for wood waste burners'
[patent_app_type] => 1
[patent_app_number] => 6/201313
[patent_app_country] => US
[patent_app_date] => 1980-10-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 1902
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 185
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/384/04384534.pdf
[firstpage_image] =>[orig_patent_app_number] => 201313
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/201313 | Ash removal system and heating mechanism for wood waste burners | Oct 26, 1980 | Issued |
Array
(
[id] => 1957638
[patent_doc_number] => 04357907
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-11-09
[patent_title] => 'Fluidized bed combustor with improved indirect heat exchanger units'
[patent_app_type] => 1
[patent_app_number] => 6/200751
[patent_app_country] => US
[patent_app_date] => 1980-10-27
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 2462
[patent_no_of_claims] => 10
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 507
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/357/04357907.pdf
[firstpage_image] =>[orig_patent_app_number] => 200751
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/200751 | Fluidized bed combustor with improved indirect heat exchanger units | Oct 26, 1980 | Issued |
Array
(
[id] => 1989481
[patent_doc_number] => 04344373
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-08-17
[patent_title] => 'Method for pyrolyzing'
[patent_app_type] => 1
[patent_app_number] => 6/199543
[patent_app_country] => US
[patent_app_date] => 1980-10-22
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 14
[patent_no_of_words] => 7855
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 37
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/344/04344373.pdf
[firstpage_image] =>[orig_patent_app_number] => 199543
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/199543 | Method for pyrolyzing | Oct 21, 1980 | Issued |
Array
(
[id] => 1985525
[patent_doc_number] => 04345894
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-08-24
[patent_title] => 'Light fuel start-up fluidized bed combustor'
[patent_app_type] => 1
[patent_app_number] => 6/198918
[patent_app_country] => US
[patent_app_date] => 1980-10-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 9
[patent_no_of_words] => 2765
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 200
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/345/04345894.pdf
[firstpage_image] =>[orig_patent_app_number] => 198918
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/198918 | Light fuel start-up fluidized bed combustor | Oct 19, 1980 | Issued |
Array
(
[id] => 2015913
[patent_doc_number] => 04400150
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1983-08-23
[patent_title] => 'Fluidized bed combustor distributor plate assembly'
[patent_app_type] => 1
[patent_app_number] => 6/198919
[patent_app_country] => US
[patent_app_date] => 1980-10-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 9
[patent_no_of_words] => 2743
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 193
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/400/04400150.pdf
[firstpage_image] =>[orig_patent_app_number] => 198919
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/198919 | Fluidized bed combustor distributor plate assembly | Oct 19, 1980 | Issued |
| 06/197119 | LIQUID DISTRIBUTOR HEAD | Oct 14, 1980 | Abandoned |
Array
(
[id] => 2093636
[patent_doc_number] => RE031549
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1984-04-10
[patent_title] => 'One-piece roof vent device and methods of constructing and utilizing same'
[patent_app_type] => 2
[patent_app_number] => 6/193711
[patent_app_country] => US
[patent_app_date] => 1980-10-03
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 1799
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 153
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/RE/031/RE031549.pdf
[firstpage_image] =>[orig_patent_app_number] => 193711
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/193711 | One-piece roof vent device and methods of constructing and utilizing same | Oct 2, 1980 | Issued |
Array
(
[id] => 2003255
[patent_doc_number] => 04391208
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1983-07-05
[patent_title] => 'Method for controlling temperatures in the afterburner and combustion hearths of a multiple hearth furnace'
[patent_app_type] => 1
[patent_app_number] => 6/192021
[patent_app_country] => US
[patent_app_date] => 1980-09-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 6
[patent_no_of_words] => 9427
[patent_no_of_claims] => 23
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 20
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/391/04391208.pdf
[firstpage_image] =>[orig_patent_app_number] => 192021
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/192021 | Method for controlling temperatures in the afterburner and combustion hearths of a multiple hearth furnace | Sep 28, 1980 | Issued |
Array
(
[id] => 1943383
[patent_doc_number] => 04335661
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-06-22
[patent_title] => 'Fluidized bed heat exchanger having an air assisted bed drain'
[patent_app_type] => 1
[patent_app_number] => 6/190299
[patent_app_country] => US
[patent_app_date] => 1980-09-24
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 2149
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 124
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/335/04335661.pdf
[firstpage_image] =>[orig_patent_app_number] => 190299
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/190299 | Fluidized bed heat exchanger having an air assisted bed drain | Sep 23, 1980 | Issued |
Array
(
[id] => 2012923
[patent_doc_number] => 04375956
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1983-03-08
[patent_title] => 'Hot blast stove arrangement for a blast furnace'
[patent_app_type] => 1
[patent_app_number] => 6/187454
[patent_app_country] => US
[patent_app_date] => 1980-09-15
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 1481
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 40
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/375/04375956.pdf
[firstpage_image] =>[orig_patent_app_number] => 187454
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/187454 | Hot blast stove arrangement for a blast furnace | Sep 14, 1980 | Issued |
Array
(
[id] => 1960259
[patent_doc_number] => 04349331
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-09-14
[patent_title] => 'Furnace installation including fuel milling and burnt product cooling and method of operating same'
[patent_app_type] => 1
[patent_app_number] => 6/186263
[patent_app_country] => US
[patent_app_date] => 1980-09-11
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 1919
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 5
[patent_words_short_claim] => 21
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/349/04349331.pdf
[firstpage_image] =>[orig_patent_app_number] => 186263
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/186263 | Furnace installation including fuel milling and burnt product cooling and method of operating same | Sep 10, 1980 | Issued |
Array
(
[id] => 1965695
[patent_doc_number] => 04331105
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-05-25
[patent_title] => 'Forced-flow once-through boiler for variable supercritical pressure operation'
[patent_app_type] => 1
[patent_app_number] => 6/184771
[patent_app_country] => US
[patent_app_date] => 1980-09-08
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 11
[patent_no_of_words] => 3080
[patent_no_of_claims] => 1
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 108
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/331/04331105.pdf
[firstpage_image] =>[orig_patent_app_number] => 184771
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/184771 | Forced-flow once-through boiler for variable supercritical pressure operation | Sep 7, 1980 | Issued |
| 06/182862 | WET ASH REMOVER | Sep 1, 1980 | Abandoned |
Array
(
[id] => 1940682
[patent_doc_number] => 04308808
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-01-05
[patent_title] => 'Coal burning method to reduce particulate and sulfur emissions'
[patent_app_type] => 1
[patent_app_number] => 6/183617
[patent_app_country] => US
[patent_app_date] => 1980-09-02
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 3608
[patent_no_of_claims] => 15
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 75
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/308/04308808.pdf
[firstpage_image] =>[orig_patent_app_number] => 183617
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/183617 | Coal burning method to reduce particulate and sulfur emissions | Sep 1, 1980 | Issued |
Array
(
[id] => 1898766
[patent_doc_number] => 04275668
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1981-06-30
[patent_title] => 'Coal feed system for a fluidized bed combustor'
[patent_app_type] => 1
[patent_app_number] => 6/182207
[patent_app_country] => US
[patent_app_date] => 1980-08-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 2109
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 144
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/275/04275668.pdf
[firstpage_image] =>[orig_patent_app_number] => 182207
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/182207 | Coal feed system for a fluidized bed combustor | Aug 27, 1980 | Issued |
Array
(
[id] => 1962348
[patent_doc_number] => 04329943
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-05-18
[patent_title] => 'Heating boiler'
[patent_app_type] => 1
[patent_app_number] => 6/179561
[patent_app_country] => US
[patent_app_date] => 1980-08-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 2567
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 257
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/329/04329943.pdf
[firstpage_image] =>[orig_patent_app_number] => 179561
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/179561 | Heating boiler | Aug 18, 1980 | Issued |
| 06/176608 | VENTILATION APPARATUS AND METHODS OF MAKING AND USING SAME | Aug 7, 1980 | Abandoned |
Array
(
[id] => 1951313
[patent_doc_number] => 04325328
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-04-20
[patent_title] => 'Vapor generator having a pair of combustion chambers'
[patent_app_type] => 1
[patent_app_number] => 6/175881
[patent_app_country] => US
[patent_app_date] => 1980-08-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 3
[patent_no_of_words] => 3345
[patent_no_of_claims] => 7
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 116
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/325/04325328.pdf
[firstpage_image] =>[orig_patent_app_number] => 175881
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/175881 | Vapor generator having a pair of combustion chambers | Aug 5, 1980 | Issued |
Array
(
[id] => 1985357
[patent_doc_number] => 04352323
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-10-05
[patent_title] => 'Air diffuser'
[patent_app_type] => 1
[patent_app_number] => 6/175639
[patent_app_country] => US
[patent_app_date] => 1980-08-06
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 3438
[patent_no_of_claims] => 1
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 234
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/352/04352323.pdf
[firstpage_image] =>[orig_patent_app_number] => 175639
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/175639 | Air diffuser | Aug 5, 1980 | Issued |
Array
(
[id] => 1965813
[patent_doc_number] => 04331126
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1982-05-25
[patent_title] => 'Furnace for solid fuels'
[patent_app_type] => 1
[patent_app_number] => 6/174173
[patent_app_country] => US
[patent_app_date] => 1980-07-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 5
[patent_no_of_words] => 2239
[patent_no_of_claims] => 9
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 92
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/331/04331126.pdf
[firstpage_image] =>[orig_patent_app_number] => 174173
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/174173 | Furnace for solid fuels | Jul 30, 1980 | Issued |