
Roy N. Envall Jr.
Examiner (ID: 4040)
| Most Active Art Unit | 2104 |
| Art Unit(s) | 2103, 2305, 2104, 2306, 2106 |
| Total Applications | 726 |
| Issued Applications | 708 |
| Pending Applications | 0 |
| Abandoned Applications | 18 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
Array
(
[id] => 2307248
[patent_doc_number] => 04674005
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-06-16
[patent_title] => 'Multiple fastening clip and device for the collective mounting of electronic power components'
[patent_app_type] => 1
[patent_app_number] => 6/836280
[patent_app_country] => US
[patent_app_date] => 1986-03-05
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
[patent_figures_cnt] => 4
[patent_no_of_words] => 1833
[patent_no_of_claims] => 9
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[patent_words_short_claim] => 143
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[pdf_file] => patents/04/674/04674005.pdf
[firstpage_image] =>[orig_patent_app_number] => 836280
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/836280 | Multiple fastening clip and device for the collective mounting of electronic power components | Mar 4, 1986 | Issued |
| 06/834790 | MULTI-WIRE INDUCTION HEATING | Feb 27, 1986 | Abandoned |
Array
(
[id] => 2365076
[patent_doc_number] => 04694465
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-09-15
[patent_title] => 'Apparatus for automatically charging scrap into an arc furnace'
[patent_app_type] => 1
[patent_app_number] => 6/833599
[patent_app_country] => US
[patent_app_date] => 1986-02-27
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[firstpage_image] =>[orig_patent_app_number] => 833599
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/833599 | Apparatus for automatically charging scrap into an arc furnace | Feb 26, 1986 | Issued |
Array
(
[id] => 2310320
[patent_doc_number] => 04691324
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-09-01
[patent_title] => 'Electrode connection'
[patent_app_type] => 1
[patent_app_number] => 6/833846
[patent_app_country] => US
[patent_app_date] => 1986-02-26
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 5
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[patent_no_of_words] => 2233
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[pdf_file] => patents/04/691/04691324.pdf
[firstpage_image] =>[orig_patent_app_number] => 833846
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/833846 | Electrode connection | Feb 25, 1986 | Issued |
Array
(
[id] => 2310336
[patent_doc_number] => 04691325
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-09-01
[patent_title] => 'Control apparatus for a direct current arc furnace'
[patent_app_type] => 1
[patent_app_number] => 6/831658
[patent_app_country] => US
[patent_app_date] => 1986-02-20
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 1
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[patent_no_of_words] => 1354
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[firstpage_image] =>[orig_patent_app_number] => 831658
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/831658 | Control apparatus for a direct current arc furnace | Feb 19, 1986 | Issued |
Array
(
[id] => 2320456
[patent_doc_number] => 04689470
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-08-25
[patent_title] => 'Self-regulating baseboard heater, system and method'
[patent_app_type] => 1
[patent_app_number] => 6/829943
[patent_app_country] => US
[patent_app_date] => 1986-02-18
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 2718
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[firstpage_image] =>[orig_patent_app_number] => 829943
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/829943 | Self-regulating baseboard heater, system and method | Feb 17, 1986 | Issued |
Array
(
[id] => 2309453
[patent_doc_number] => 04685112
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-08-04
[patent_title] => 'Electrical connection device intended to be placed through the wall of an electrical direct-current metallurgical furnace'
[patent_app_type] => 1
[patent_app_number] => 6/827684
[patent_app_country] => US
[patent_app_date] => 1986-02-10
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[patent_drawing_sheets_cnt] => 2
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[patent_no_of_words] => 3101
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[pdf_file] => patents/04/685/04685112.pdf
[firstpage_image] =>[orig_patent_app_number] => 827684
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/827684 | Electrical connection device intended to be placed through the wall of an electrical direct-current metallurgical furnace | Feb 9, 1986 | Issued |
Array
(
[id] => 2301391
[patent_doc_number] => 04653065
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-03-24
[patent_title] => 'Preheating mechanism for use with duplex electric-arc furnace system'
[patent_app_type] => 1
[patent_app_number] => 6/826390
[patent_app_country] => US
[patent_app_date] => 1986-02-05
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[pdf_file] => patents/04/653/04653065.pdf
[firstpage_image] =>[orig_patent_app_number] => 826390
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/826390 | Preheating mechanism for use with duplex electric-arc furnace system | Feb 4, 1986 | Issued |
Array
(
[id] => 2421837
[patent_doc_number] => 04726033
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1988-02-16
[patent_title] => 'Process to improve electric arc furnace steelmaking by bottom gas injection'
[patent_app_type] => 1
[patent_app_number] => 6/823613
[patent_app_country] => US
[patent_app_date] => 1986-01-29
[patent_effective_date] => 0000-00-00
[patent_drawing_sheets_cnt] => 3
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[patent_no_of_words] => 1561
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[pdf_file] => patents/04/726/04726033.pdf
[firstpage_image] =>[orig_patent_app_number] => 823613
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/823613 | Process to improve electric arc furnace steelmaking by bottom gas injection | Jan 28, 1986 | Issued |
Array
(
[id] => 2317752
[patent_doc_number] => 04638492
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-01-20
[patent_title] => 'Roof assembly for an electric arc furnace'
[patent_app_type] => 1
[patent_app_number] => 6/818441
[patent_app_country] => US
[patent_app_date] => 1986-01-13
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[firstpage_image] =>[orig_patent_app_number] => 818441
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/818441 | Roof assembly for an electric arc furnace | Jan 12, 1986 | Issued |
Array
(
[id] => 2316888
[patent_doc_number] => 04646194
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-02-24
[patent_title] => 'PG yoke position detecting apparatus'
[patent_app_type] => 1
[patent_app_number] => 6/818379
[patent_app_country] => US
[patent_app_date] => 1986-01-13
[patent_effective_date] => 0000-00-00
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[pdf_file] => patents/04/646/04646194.pdf
[firstpage_image] =>[orig_patent_app_number] => 818379
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/818379 | PG yoke position detecting apparatus | Jan 12, 1986 | Issued |
Array
(
[id] => 2341233
[patent_doc_number] => 04701933
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-10-20
[patent_title] => 'Method of supplying heat energy to a metal melt or the like and a heating element for use with said method'
[patent_app_type] => 1
[patent_app_number] => 6/816216
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[pdf_file] => patents/04/701/04701933.pdf
[firstpage_image] =>[orig_patent_app_number] => 816216
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/816216 | Method of supplying heat energy to a metal melt or the like and a heating element for use with said method | Jan 5, 1986 | Issued |
Array
(
[id] => 2336033
[patent_doc_number] => 04672627
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-06-09
[patent_title] => 'Electrode heater'
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[patent_app_number] => 6/810636
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[pdf_file] => patents/04/672/04672627.pdf
[firstpage_image] =>[orig_patent_app_number] => 810636
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/810636 | Electrode heater | Dec 18, 1985 | Issued |
Array
(
[id] => 2325467
[patent_doc_number] => 04689800
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-08-25
[patent_title] => 'Method of melting raw material with an electric arc furnace'
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[firstpage_image] =>[orig_patent_app_number] => 808126
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/808126 | Method of melting raw material with an electric arc furnace | Dec 11, 1985 | Issued |
Array
(
[id] => 2344032
[patent_doc_number] => 04677642
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-06-30
[patent_title] => 'Apparatus and method for quiescent containerless processing of high temperature metals and alloys in low gravity'
[patent_app_type] => 1
[patent_app_number] => 6/805010
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[firstpage_image] =>[orig_patent_app_number] => 805010
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Array
(
[id] => 2305818
[patent_doc_number] => 04682341
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[patent_issue_date] => 1987-07-21
[patent_title] => 'Electric arc furnace'
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[pdf_file] => patents/04/682/04682341.pdf
[firstpage_image] =>[orig_patent_app_number] => 802252
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/802252 | Electric arc furnace | Nov 26, 1985 | Issued |
Array
(
[id] => 2717810
[patent_doc_number] => 04982411
[patent_country] => US
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[patent_issue_date] => 1991-01-01
[patent_title] => 'Wall electrode for direct current powered electric arc furnace'
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[pdf_file] => patents/04/982/04982411.pdf
[firstpage_image] =>[orig_patent_app_number] => 795555
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/795555 | Wall electrode for direct current powered electric arc furnace | Nov 5, 1985 | Issued |
Array
(
[id] => 2364961
[patent_doc_number] => 04648097
[patent_country] => US
[patent_kind] => NA
[patent_issue_date] => 1987-03-03
[patent_title] => 'Electrode for an electric arc furnace'
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[pdf_file] => patents/04/648/04648097.pdf
[firstpage_image] =>[orig_patent_app_number] => 793289
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/793289 | Electrode for an electric arc furnace | Oct 30, 1985 | Issued |
Array
(
[id] => 2286813
[patent_doc_number] => 04620308
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[patent_issue_date] => 1986-10-28
[patent_title] => 'Arc furnace electrode control'
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[firstpage_image] =>[orig_patent_app_number] => 792782
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/792782 | Arc furnace electrode control | Oct 29, 1985 | Issued |
Array
(
[id] => 2333480
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[patent_issue_date] => 1987-10-06
[patent_title] => 'Method for controlling an electrothermal process'
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[firstpage_image] =>[orig_patent_app_number] => 794923
[rel_patent_id] =>[rel_patent_doc_number] =>) 06/794923 | Method for controlling an electrothermal process | Oct 20, 1985 | Issued |