Search

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 numberTitle of the applicationFiling DateStatus
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 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3430 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/694/04694465.pdf [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 [patent_figures_cnt] => 5 [patent_no_of_words] => 2233 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 [patent_figures_cnt] => 1 [patent_no_of_words] => 1354 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/691/04691325.pdf [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 [patent_figures_cnt] => 4 [patent_no_of_words] => 2718 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/689/04689470.pdf [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 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3101 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 166 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 14 [patent_no_of_words] => 3984 [patent_no_of_claims] => 10 [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/04/653/04653065.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 [patent_figures_cnt] => 3 [patent_no_of_words] => 1561 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 2517 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 245 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/638/04638492.pdf [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 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 5085 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 [patent_app_country] => US [patent_app_date] => 1986-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1649 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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' [patent_app_type] => 1 [patent_app_number] => 6/810636 [patent_app_country] => US [patent_app_date] => 1985-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2186 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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' [patent_app_type] => 1 [patent_app_number] => 6/808126 [patent_app_country] => US [patent_app_date] => 1985-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3392 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 232 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/689/04689800.pdf [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 [patent_app_country] => US [patent_app_date] => 1985-12-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2168 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/677/04677642.pdf [firstpage_image] =>[orig_patent_app_number] => 805010 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/805010
Apparatus and method for quiescent containerless processing of high temperature metals and alloys in low gravity Dec 4, 1985 Issued
Array ( [id] => 2305818 [patent_doc_number] => 04682341 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-07-21 [patent_title] => 'Electric arc furnace' [patent_app_type] => 1 [patent_app_number] => 6/802252 [patent_app_country] => US [patent_app_date] => 1985-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3428 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 [patent_kind] => NA [patent_issue_date] => 1991-01-01 [patent_title] => 'Wall electrode for direct current powered electric arc furnace' [patent_app_type] => 1 [patent_app_number] => 6/795555 [patent_app_country] => US [patent_app_date] => 1985-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3810 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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' [patent_app_type] => 1 [patent_app_number] => 6/793289 [patent_app_country] => US [patent_app_date] => 1985-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1567 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [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 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-10-28 [patent_title] => 'Arc furnace electrode control' [patent_app_type] => 1 [patent_app_number] => 6/792782 [patent_app_country] => US [patent_app_date] => 1985-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2467 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/620/04620308.pdf [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 [patent_doc_number] => 04698824 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-10-06 [patent_title] => 'Method for controlling an electrothermal process' [patent_app_type] => 1 [patent_app_number] => 6/794923 [patent_app_country] => US [patent_app_date] => 1985-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5042 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 59 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/698/04698824.pdf [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
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