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] => 2597466 [patent_doc_number] => 04959752 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-25 [patent_title] => 'Electronic module RFI/EMI shielding' [patent_app_type] => 1 [patent_app_number] => 7/262436 [patent_app_country] => US [patent_app_date] => 1988-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 14 [patent_no_of_words] => 2616 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/959/04959752.pdf [firstpage_image] =>[orig_patent_app_number] => 262436 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/262436
Electronic module RFI/EMI shielding Oct 23, 1988 Issued
Array ( [id] => 2777306 [patent_doc_number] => 05007103 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-09 [patent_title] => 'Automatic shut-off and alarm for electric heater' [patent_app_type] => 1 [patent_app_number] => 7/260881 [patent_app_country] => US [patent_app_date] => 1988-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3723 [patent_no_of_claims] => 27 [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/05/007/05007103.pdf [firstpage_image] =>[orig_patent_app_number] => 260881 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/260881
Automatic shut-off and alarm for electric heater Oct 20, 1988 Issued
Array ( [id] => 2573602 [patent_doc_number] => 04849987 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-07-18 [patent_title] => 'Combination left and right handed furnace roof' [patent_app_type] => 1 [patent_app_number] => 7/259898 [patent_app_country] => US [patent_app_date] => 1988-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 5465 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/849/04849987.pdf [firstpage_image] =>[orig_patent_app_number] => 259898 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/259898
Combination left and right handed furnace roof Oct 18, 1988 Issued
Array ( [id] => 2577340 [patent_doc_number] => 04901200 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-13 [patent_title] => 'Insertable housing' [patent_app_type] => 1 [patent_app_number] => 7/257634 [patent_app_country] => US [patent_app_date] => 1988-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2008 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/901/04901200.pdf [firstpage_image] =>[orig_patent_app_number] => 257634 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/257634
Insertable housing Oct 13, 1988 Issued
Array ( [id] => 2627571 [patent_doc_number] => 04894747 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-01-16 [patent_title] => 'Side plate tapered twist tab fastening device for fastening side plates to the base' [patent_app_type] => 1 [patent_app_number] => 7/256880 [patent_app_country] => US [patent_app_date] => 1988-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 17 [patent_no_of_words] => 5600 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/894/04894747.pdf [firstpage_image] =>[orig_patent_app_number] => 256880 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/256880
Side plate tapered twist tab fastening device for fastening side plates to the base Oct 11, 1988 Issued
Array ( [id] => 2501871 [patent_doc_number] => 04860306 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-22 [patent_title] => 'Hot zone employing graphite heating elements' [patent_app_type] => 1 [patent_app_number] => 7/253499 [patent_app_country] => US [patent_app_date] => 1988-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3458 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 295 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/860/04860306.pdf [firstpage_image] =>[orig_patent_app_number] => 253499 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/253499
Hot zone employing graphite heating elements Oct 4, 1988 Issued
Array ( [id] => 2529716 [patent_doc_number] => 04856022 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-08 [patent_title] => 'Graphite hot zone assembly' [patent_app_type] => 1 [patent_app_number] => 7/253497 [patent_app_country] => US [patent_app_date] => 1988-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3455 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 253 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/856/04856022.pdf [firstpage_image] =>[orig_patent_app_number] => 253497 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/253497
Graphite hot zone assembly Oct 4, 1988 Issued
Array ( [id] => 2533571 [patent_doc_number] => 04873698 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-10 [patent_title] => 'Induction furnace crucible' [patent_app_type] => 1 [patent_app_number] => 7/249122 [patent_app_country] => US [patent_app_date] => 1988-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1457 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/873/04873698.pdf [firstpage_image] =>[orig_patent_app_number] => 249122 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/249122
Induction furnace crucible Sep 25, 1988 Issued
07/249733 CONDUCTIVE POLYMER TAPE Sep 25, 1988 Abandoned
Array ( [id] => 2505049 [patent_doc_number] => 04847859 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-07-11 [patent_title] => 'Device and method for cooling a high temperature furnace' [patent_app_type] => 1 [patent_app_number] => 7/248655 [patent_app_country] => US [patent_app_date] => 1988-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2432 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 375 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/847/04847859.pdf [firstpage_image] =>[orig_patent_app_number] => 248655 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/248655
Device and method for cooling a high temperature furnace Sep 25, 1988 Issued
Array ( [id] => 2482676 [patent_doc_number] => 04887277 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-12-12 [patent_title] => 'Electric arc furnace' [patent_app_type] => 1 [patent_app_number] => 7/247838 [patent_app_country] => US [patent_app_date] => 1988-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1778 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 107 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/887/04887277.pdf [firstpage_image] =>[orig_patent_app_number] => 247838 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/247838
Electric arc furnace Sep 21, 1988 Issued
07/249275 SAFETY FLOW STOPPER FOR WATER-COOLED ELECTRODE Sep 21, 1988 Abandoned
Array ( [id] => 2677202 [patent_doc_number] => 04954928 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-04 [patent_title] => 'Memory cartridge for electronic equipment, and electronic equipment provided with such cartridges' [patent_app_type] => 1 [patent_app_number] => 7/245257 [patent_app_country] => US [patent_app_date] => 1988-09-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 3791 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/954/04954928.pdf [firstpage_image] =>[orig_patent_app_number] => 245257 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/245257
Memory cartridge for electronic equipment, and electronic equipment provided with such cartridges Sep 15, 1988 Issued
07/242081 HEAT RECOVERABLE ARTICLE Sep 7, 1988 Abandoned
Array ( [id] => 2710152 [patent_doc_number] => 05013894 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-05-07 [patent_title] => 'Conductive polymeric article' [patent_app_type] => 1 [patent_app_number] => 7/241658 [patent_app_country] => US [patent_app_date] => 1988-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3103 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 51 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/013/05013894.pdf [firstpage_image] =>[orig_patent_app_number] => 241658 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/241658
Conductive polymeric article Sep 7, 1988 Issued
Array ( [id] => 2539694 [patent_doc_number] => 04862477 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-29 [patent_title] => 'Apparatus and method for melting and homogenizing batch material' [patent_app_type] => 1 [patent_app_number] => 7/239829 [patent_app_country] => US [patent_app_date] => 1988-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 6443 [patent_no_of_claims] => 31 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/862/04862477.pdf [firstpage_image] =>[orig_patent_app_number] => 239829 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/239829
Apparatus and method for melting and homogenizing batch material Aug 31, 1988 Issued
Array ( [id] => 2564549 [patent_doc_number] => 04897852 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-01-30 [patent_title] => 'Silicon smelting process' [patent_app_type] => 1 [patent_app_number] => 7/239144 [patent_app_country] => US [patent_app_date] => 1988-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5076 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/897/04897852.pdf [firstpage_image] =>[orig_patent_app_number] => 239144 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/239144
Silicon smelting process Aug 30, 1988 Issued
Array ( [id] => 2619446 [patent_doc_number] => 04903277 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-20 [patent_title] => 'Electric melting furnace with partitioned melting cavity for solidifying highly radioactive waste in glass' [patent_app_type] => 1 [patent_app_number] => 7/233624 [patent_app_country] => US [patent_app_date] => 1988-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4603 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/903/04903277.pdf [firstpage_image] =>[orig_patent_app_number] => 233624 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/233624
Electric melting furnace with partitioned melting cavity for solidifying highly radioactive waste in glass Aug 17, 1988 Issued
Array ( [id] => 2565229 [patent_doc_number] => 04942498 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-17 [patent_title] => 'Fixation device with adjustable tilting' [patent_app_type] => 1 [patent_app_number] => 7/233138 [patent_app_country] => US [patent_app_date] => 1988-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2557 [patent_no_of_claims] => 33 [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/04/942/04942498.pdf [firstpage_image] =>[orig_patent_app_number] => 233138 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/233138
Fixation device with adjustable tilting Aug 16, 1988 Issued
Array ( [id] => 2602606 [patent_doc_number] => 04941149 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-10 [patent_title] => 'Method of melting and/or refining metals and cooling device for the graphite electrode used for the same' [patent_app_type] => 1 [patent_app_number] => 7/231819 [patent_app_country] => US [patent_app_date] => 1988-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5830 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/941/04941149.pdf [firstpage_image] =>[orig_patent_app_number] => 231819 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/231819
Method of melting and/or refining metals and cooling device for the graphite electrode used for the same Aug 14, 1988 Issued
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