
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] => 2583067
[patent_doc_number] => 04959012
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-09-25
[patent_title] => 'Apparatus for repairing brick/refractory in a process heater'
[patent_app_type] => 1
[patent_app_number] => 7/407505
[patent_app_country] => US
[patent_app_date] => 1989-09-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 2
[patent_no_of_words] => 1279
[patent_no_of_claims] => 2
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 178
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/959/04959012.pdf
[firstpage_image] =>[orig_patent_app_number] => 407505
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/407505 | Apparatus for repairing brick/refractory in a process heater | Sep 13, 1989 | Issued |
Array
(
[id] => 2582823
[patent_doc_number] => 04917600
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-04-17
[patent_title] => 'Reciprocal furnace for heating metal parts'
[patent_app_type] => 1
[patent_app_number] => 7/407230
[patent_app_country] => US
[patent_app_date] => 1989-09-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 4
[patent_no_of_words] => 2148
[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/04/917/04917600.pdf
[firstpage_image] =>[orig_patent_app_number] => 407230
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/407230 | Reciprocal furnace for heating metal parts | Sep 13, 1989 | Issued |
Array
(
[id] => 2643450
[patent_doc_number] => 04945837
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-08-07
[patent_title] => 'Pellet feed system'
[patent_app_type] => 1
[patent_app_number] => 7/402998
[patent_app_country] => US
[patent_app_date] => 1989-09-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 5
[patent_no_of_words] => 4235
[patent_no_of_claims] => 5
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 133
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/945/04945837.pdf
[firstpage_image] =>[orig_patent_app_number] => 402998
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/402998 | Pellet feed system | Aug 31, 1989 | Issued |
Array
(
[id] => 2749553
[patent_doc_number] => 05059116
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-10-22
[patent_title] => 'Apparatus and process for removing volatile coatings from scrap metal'
[patent_app_type] => 1
[patent_app_number] => 7/401795
[patent_app_country] => US
[patent_app_date] => 1989-09-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 3
[patent_no_of_words] => 6712
[patent_no_of_claims] => 24
[patent_no_of_ind_claims] => 4
[patent_words_short_claim] => 76
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/059/05059116.pdf
[firstpage_image] =>[orig_patent_app_number] => 401795
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/401795 | Apparatus and process for removing volatile coatings from scrap metal | Aug 31, 1989 | Issued |
| 07/402102 | LYOPHILIZATION OF BULK PHARMACEUTICALS | Aug 30, 1989 | Abandoned |
Array
(
[id] => 2574542
[patent_doc_number] => 04962884
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-10-16
[patent_title] => 'Heat accumulating type electric underfloor heating system having upper and lower cavities and a method for heating the same'
[patent_app_type] => 1
[patent_app_number] => 7/400555
[patent_app_country] => US
[patent_app_date] => 1989-08-30
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 4
[patent_figures_cnt] => 7
[patent_no_of_words] => 2707
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 226
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/962/04962884.pdf
[firstpage_image] =>[orig_patent_app_number] => 400555
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/400555 | Heat accumulating type electric underfloor heating system having upper and lower cavities and a method for heating the same | Aug 29, 1989 | Issued |
Array
(
[id] => 2727391
[patent_doc_number] => 05014651
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-05-14
[patent_title] => 'Method and apparatus for improving utilization of fuel values of as-mined coal in pulverized fuel-fired boilers'
[patent_app_type] => 1
[patent_app_number] => 7/399117
[patent_app_country] => US
[patent_app_date] => 1989-08-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 5
[patent_no_of_words] => 5992
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 130
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/014/05014651.pdf
[firstpage_image] =>[orig_patent_app_number] => 399117
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/399117 | Method and apparatus for improving utilization of fuel values of as-mined coal in pulverized fuel-fired boilers | Aug 24, 1989 | Issued |
Array
(
[id] => 2640052
[patent_doc_number] => 04945657
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-08-07
[patent_title] => 'Rotary drum dryer with improved premixing assembly'
[patent_app_type] => 1
[patent_app_number] => 7/398837
[patent_app_country] => US
[patent_app_date] => 1989-08-23
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 3733
[patent_no_of_claims] => 12
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 207
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/945/04945657.pdf
[firstpage_image] =>[orig_patent_app_number] => 398837
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/398837 | Rotary drum dryer with improved premixing assembly | Aug 22, 1989 | Issued |
Array
(
[id] => 2691148
[patent_doc_number] => 04988288
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-01-29
[patent_title] => 'Material heating oven'
[patent_app_type] => 1
[patent_app_number] => 7/398229
[patent_app_country] => US
[patent_app_date] => 1989-08-21
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 3194
[patent_no_of_claims] => 6
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 247
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/988/04988288.pdf
[firstpage_image] =>[orig_patent_app_number] => 398229
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/398229 | Material heating oven | Aug 20, 1989 | Issued |
Array
(
[id] => 2579290
[patent_doc_number] => 04920924
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-05-01
[patent_title] => 'Fluidized bed steam generating system including a steam cooled cyclone separator'
[patent_app_type] => 1
[patent_app_number] => 7/395865
[patent_app_country] => US
[patent_app_date] => 1989-08-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 4
[patent_no_of_words] => 4199
[patent_no_of_claims] => 13
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 279
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/920/04920924.pdf
[firstpage_image] =>[orig_patent_app_number] => 395865
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/395865 | Fluidized bed steam generating system including a steam cooled cyclone separator | Aug 17, 1989 | Issued |
Array
(
[id] => 2746671
[patent_doc_number] => 05005494
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-04-09
[patent_title] => 'Apparatus and method for high temperature disposal of hazardous waste materials'
[patent_app_type] => 1
[patent_app_number] => 7/394738
[patent_app_country] => US
[patent_app_date] => 1989-08-16
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 8
[patent_figures_cnt] => 9
[patent_no_of_words] => 4286
[patent_no_of_claims] => 21
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 76
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/005/05005494.pdf
[firstpage_image] =>[orig_patent_app_number] => 394738
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/394738 | Apparatus and method for high temperature disposal of hazardous waste materials | Aug 15, 1989 | Issued |
Array
(
[id] => 2695472
[patent_doc_number] => 04981262
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-01-01
[patent_title] => 'Unit for supplying combustion air to a furnace'
[patent_app_type] => 1
[patent_app_number] => 7/392895
[patent_app_country] => US
[patent_app_date] => 1989-08-14
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
[patent_figures_cnt] => 5
[patent_no_of_words] => 2982
[patent_no_of_claims] => 18
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 320
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/981/04981262.pdf
[firstpage_image] =>[orig_patent_app_number] => 392895
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/392895 | Unit for supplying combustion air to a furnace | Aug 13, 1989 | Issued |
Array
(
[id] => 3993321
[patent_doc_number] => 05878702
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1999-03-09
[patent_title] => 'Exhaust timing control device for two-cycle engine'
[patent_app_type] => 1
[patent_app_number] => 7/387935
[patent_app_country] => US
[patent_app_date] => 1989-08-01
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 6
[patent_no_of_words] => 2294
[patent_no_of_claims] => 8
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 129
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/878/05878702.pdf
[firstpage_image] =>[orig_patent_app_number] => 387935
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/387935 | Exhaust timing control device for two-cycle engine | Jul 31, 1989 | Issued |
Array
(
[id] => 2589682
[patent_doc_number] => 04975048
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-12-04
[patent_title] => 'Heating apparatus'
[patent_app_type] => 1
[patent_app_number] => 7/387702
[patent_app_country] => US
[patent_app_date] => 1989-07-31
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 6
[patent_figures_cnt] => 10
[patent_no_of_words] => 4099
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 140
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/975/04975048.pdf
[firstpage_image] =>[orig_patent_app_number] => 387702
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/387702 | Heating apparatus | Jul 30, 1989 | Issued |
Array
(
[id] => 2584712
[patent_doc_number] => 04947804
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-08-14
[patent_title] => 'Fluidized bed steam generation system and method having an external heat exchanger'
[patent_app_type] => 1
[patent_app_number] => 7/386181
[patent_app_country] => US
[patent_app_date] => 1989-07-28
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 2651
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 165
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/947/04947804.pdf
[firstpage_image] =>[orig_patent_app_number] => 386181
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/386181 | Fluidized bed steam generation system and method having an external heat exchanger | Jul 27, 1989 | Issued |
Array
(
[id] => 2696866
[patent_doc_number] => 05009172
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-04-23
[patent_title] => 'Method for and apparatus of thermal treatment of human waste'
[patent_app_type] => 1
[patent_app_number] => 7/384345
[patent_app_country] => US
[patent_app_date] => 1989-07-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
[patent_figures_cnt] => 1
[patent_no_of_words] => 4949
[patent_no_of_claims] => 4
[patent_no_of_ind_claims] => 1
[patent_words_short_claim] => 182
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/009/05009172.pdf
[firstpage_image] =>[orig_patent_app_number] => 384345
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/384345 | Method for and apparatus of thermal treatment of human waste | Jul 24, 1989 | Issued |
Array
(
[id] => 2733147
[patent_doc_number] => 05042171
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1991-08-27
[patent_title] => 'Clothes dryer'
[patent_app_type] => 1
[patent_app_number] => 7/384827
[patent_app_country] => US
[patent_app_date] => 1989-07-25
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 9
[patent_figures_cnt] => 16
[patent_no_of_words] => 7598
[patent_no_of_claims] => 11
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 264
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/05/042/05042171.pdf
[firstpage_image] =>[orig_patent_app_number] => 384827
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/384827 | Clothes dryer | Jul 24, 1989 | Issued |
Array
(
[id] => 2552303
[patent_doc_number] => 04941822
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-07-17
[patent_title] => 'Apparatus for heat treating contaminated particulate material'
[patent_app_type] => 1
[patent_app_number] => 7/382228
[patent_app_country] => US
[patent_app_date] => 1989-07-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 5
[patent_no_of_words] => 2680
[patent_no_of_claims] => 21
[patent_no_of_ind_claims] => 3
[patent_words_short_claim] => 149
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/941/04941822.pdf
[firstpage_image] =>[orig_patent_app_number] => 382228
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/382228 | Apparatus for heat treating contaminated particulate material | Jul 19, 1989 | Issued |
Array
(
[id] => 2589664
[patent_doc_number] => 04975047
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-12-04
[patent_title] => 'Oven provided with oxygen concentration controls'
[patent_app_type] => 1
[patent_app_number] => 7/383149
[patent_app_country] => US
[patent_app_date] => 1989-07-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
[patent_figures_cnt] => 8
[patent_no_of_words] => 4463
[patent_no_of_claims] => 3
[patent_no_of_ind_claims] => 2
[patent_words_short_claim] => 235
[patent_maintenance] => 1
[patent_no_of_assignments] => 0
[patent_current_assignee] =>[type] => patent
[pdf_file] => patents/04/975/04975047.pdf
[firstpage_image] =>[orig_patent_app_number] => 383149
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/383149 | Oven provided with oxygen concentration controls | Jul 18, 1989 | Issued |
Array
(
[id] => 2582303
[patent_doc_number] => 04969818
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1990-11-13
[patent_title] => 'Truck for firing furnace'
[patent_app_type] => 1
[patent_app_number] => 7/383274
[patent_app_country] => US
[patent_app_date] => 1989-07-19
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 6
[patent_no_of_words] => 2385
[patent_no_of_claims] => 6
[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/04/969/04969818.pdf
[firstpage_image] =>[orig_patent_app_number] => 383274
[rel_patent_id] =>[rel_patent_doc_number] =>) 07/383274 | Truck for firing furnace | Jul 18, 1989 | Issued |