Search

Roy N. Envall Jr.

Examiner (ID: 12809)

Most Active Art Unit
2104
Art Unit(s)
2305, 2106, 2104, 2306, 2103
Total Applications
726
Issued Applications
708
Pending Applications
0
Abandoned Applications
18

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2596603 [patent_doc_number] => 04926439 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-05-15 [patent_title] => 'Process for preventing contamination of high temperature melts' [patent_app_type] => 1 [patent_app_number] => 7/404398 [patent_app_country] => US [patent_app_date] => 1989-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3663 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/926/04926439.pdf [firstpage_image] =>[orig_patent_app_number] => 404398 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/404398
Process for preventing contamination of high temperature melts Sep 6, 1989 Issued
Array ( [id] => 2664177 [patent_doc_number] => 04999055 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-12 [patent_title] => 'TiO.sub.2 pigments resistant to discoloration in the presence of polymer additives' [patent_app_type] => 1 [patent_app_number] => 7/404730 [patent_app_country] => US [patent_app_date] => 1989-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1671 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 12 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/999/04999055.pdf [firstpage_image] =>[orig_patent_app_number] => 404730 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/404730
TiO.sub.2 pigments resistant to discoloration in the presence of polymer additives Sep 5, 1989 Abandoned
Array ( [id] => 2564266 [patent_doc_number] => 04961125 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-02 [patent_title] => 'Apparatus and method of attaching an electronic device package and a heat sink to a circuit board' [patent_app_type] => 1 [patent_app_number] => 7/395661 [patent_app_country] => US [patent_app_date] => 1989-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 1439 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/961/04961125.pdf [firstpage_image] =>[orig_patent_app_number] => 395661 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/395661
Apparatus and method of attaching an electronic device package and a heat sink to a circuit board Aug 17, 1989 Issued
Array ( [id] => 2637299 [patent_doc_number] => 04951298 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-21 [patent_title] => 'Closed remelting furnace having several horizontally movable furnace lower portions' [patent_app_type] => 1 [patent_app_number] => 7/391958 [patent_app_country] => US [patent_app_date] => 1989-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3174 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/951/04951298.pdf [firstpage_image] =>[orig_patent_app_number] => 391958 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/391958
Closed remelting furnace having several horizontally movable furnace lower portions Aug 8, 1989 Issued
Array ( [id] => 2613069 [patent_doc_number] => 04932035 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-05 [patent_title] => 'Discontinuous glass melting furnace' [patent_app_type] => 1 [patent_app_number] => 7/391443 [patent_app_country] => US [patent_app_date] => 1989-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2006 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/932/04932035.pdf [firstpage_image] =>[orig_patent_app_number] => 391443 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/391443
Discontinuous glass melting furnace Aug 8, 1989 Issued
Array ( [id] => 2769570 [patent_doc_number] => 05006696 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-09 [patent_title] => 'Face-like heating device' [patent_app_type] => 1 [patent_app_number] => 7/390607 [patent_app_country] => US [patent_app_date] => 1989-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2158 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/006/05006696.pdf [firstpage_image] =>[orig_patent_app_number] => 390607 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/390607
Face-like heating device Aug 6, 1989 Issued
Array ( [id] => 2634088 [patent_doc_number] => 04956849 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-11 [patent_title] => 'Process and apparatus for graphitizing carbon bodies' [patent_app_type] => 1 [patent_app_number] => 7/388256 [patent_app_country] => US [patent_app_date] => 1989-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 4765 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/956/04956849.pdf [firstpage_image] =>[orig_patent_app_number] => 388256 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/388256
Process and apparatus for graphitizing carbon bodies Jul 31, 1989 Issued
Array ( [id] => 2710078 [patent_doc_number] => 05013890 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-07 [patent_title] => 'Immersion heater and method of manufacture' [patent_app_type] => 1 [patent_app_number] => 7/383626 [patent_app_country] => US [patent_app_date] => 1989-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1248 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/013/05013890.pdf [firstpage_image] =>[orig_patent_app_number] => 383626 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/383626
Immersion heater and method of manufacture Jul 23, 1989 Issued
Array ( [id] => 2606778 [patent_doc_number] => 04922379 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-05-01 [patent_title] => 'Power semiconductor package' [patent_app_type] => 1 [patent_app_number] => 7/381559 [patent_app_country] => US [patent_app_date] => 1989-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1106 [patent_no_of_claims] => 10 [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/04/922/04922379.pdf [firstpage_image] =>[orig_patent_app_number] => 381559 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/381559
Power semiconductor package Jul 17, 1989 Issued
Array ( [id] => 2698650 [patent_doc_number] => 04990744 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-05 [patent_title] => 'Under floor covering heating systems' [patent_app_type] => 1 [patent_app_number] => 7/380312 [patent_app_country] => US [patent_app_date] => 1989-07-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 1620 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/990/04990744.pdf [firstpage_image] =>[orig_patent_app_number] => 380312 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/380312
Under floor covering heating systems Jul 16, 1989 Issued
Array ( [id] => 2600353 [patent_doc_number] => 04965432 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-23 [patent_title] => 'Portable vehicle heater' [patent_app_type] => 1 [patent_app_number] => 7/376638 [patent_app_country] => US [patent_app_date] => 1989-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2196 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/965/04965432.pdf [firstpage_image] =>[orig_patent_app_number] => 376638 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/376638
Portable vehicle heater Jul 6, 1989 Issued
Array ( [id] => 2749789 [patent_doc_number] => 05015828 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-14 [patent_title] => 'System and method for stress-relief of welds in heat exchanger tubes' [patent_app_type] => 1 [patent_app_number] => 7/376438 [patent_app_country] => US [patent_app_date] => 1989-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4891 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/015/05015828.pdf [firstpage_image] =>[orig_patent_app_number] => 376438 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/376438
System and method for stress-relief of welds in heat exchanger tubes Jul 6, 1989 Issued
Array ( [id] => 2683769 [patent_doc_number] => 05004895 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-02 [patent_title] => 'Heater device used for floor material etc. and floor material with heater contained therein' [patent_app_type] => 1 [patent_app_number] => 7/376818 [patent_app_country] => US [patent_app_date] => 1989-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 16 [patent_no_of_words] => 6551 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/004/05004895.pdf [firstpage_image] =>[orig_patent_app_number] => 376818 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/376818
Heater device used for floor material etc. and floor material with heater contained therein Jul 6, 1989 Issued
Array ( [id] => 2599226 [patent_doc_number] => 04959841 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-25 [patent_title] => 'Process for reducing contamination of high temperature melts' [patent_app_type] => 1 [patent_app_number] => 7/376095 [patent_app_country] => US [patent_app_date] => 1989-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3813 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/959/04959841.pdf [firstpage_image] =>[orig_patent_app_number] => 376095 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/376095
Process for reducing contamination of high temperature melts Jul 5, 1989 Issued
Array ( [id] => 2603477 [patent_doc_number] => 04918705 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-04-17 [patent_title] => 'Furnace enclosure having a clear viewpath' [patent_app_type] => 1 [patent_app_number] => 7/376094 [patent_app_country] => US [patent_app_date] => 1989-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2532 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/918/04918705.pdf [firstpage_image] =>[orig_patent_app_number] => 376094 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/376094
Furnace enclosure having a clear viewpath Jul 5, 1989 Issued
Array ( [id] => 2644726 [patent_doc_number] => 04953177 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-28 [patent_title] => 'Method and means of reducing the oxidization of reactive elements in an electroslag remelting operation' [patent_app_type] => 1 [patent_app_number] => 7/375117 [patent_app_country] => US [patent_app_date] => 1989-07-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 4669 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 40 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/953/04953177.pdf [firstpage_image] =>[orig_patent_app_number] => 375117 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/375117
Method and means of reducing the oxidization of reactive elements in an electroslag remelting operation Jul 2, 1989 Issued
Array ( [id] => 2663349 [patent_doc_number] => 04972295 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-20 [patent_title] => 'Electrical junction box' [patent_app_type] => 1 [patent_app_number] => 7/373847 [patent_app_country] => US [patent_app_date] => 1989-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 1959 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/972/04972295.pdf [firstpage_image] =>[orig_patent_app_number] => 373847 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/373847
Electrical junction box Jun 28, 1989 Issued
Array ( [id] => 2645812 [patent_doc_number] => 04939349 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-03 [patent_title] => 'Ceramic thermistor heating element' [patent_app_type] => 1 [patent_app_number] => 7/370719 [patent_app_country] => US [patent_app_date] => 1989-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1388 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/939/04939349.pdf [firstpage_image] =>[orig_patent_app_number] => 370719 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/370719
Ceramic thermistor heating element Jun 22, 1989 Issued
Array ( [id] => 2638766 [patent_doc_number] => 04907244 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-03-06 [patent_title] => 'Electric reduction furnace' [patent_app_type] => 1 [patent_app_number] => 7/367556 [patent_app_country] => US [patent_app_date] => 1989-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2002 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/907/04907244.pdf [firstpage_image] =>[orig_patent_app_number] => 367556 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/367556
Electric reduction furnace Jun 18, 1989 Issued
Array ( [id] => 2595875 [patent_doc_number] => 04928207 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-05-22 [patent_title] => 'Circuit module with direct liquid cooling by a coolant flowing between a heat producing component and the face of a piston' [patent_app_type] => 1 [patent_app_number] => 7/366945 [patent_app_country] => US [patent_app_date] => 1989-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5767 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/928/04928207.pdf [firstpage_image] =>[orig_patent_app_number] => 366945 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/366945
Circuit module with direct liquid cooling by a coolant flowing between a heat producing component and the face of a piston Jun 14, 1989 Issued
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