Search

Stephen Johnson

Examiner (ID: 208, Phone: (571)272-6877 , Office: P/3641 )

Most Active Art Unit
3641
Art Unit(s)
2201, 3641
Total Applications
3122
Issued Applications
2552
Pending Applications
138
Abandoned Applications
437

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2615361 [patent_doc_number] => 04936380 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-26 [patent_title] => 'Impingement plate type heat exchanger' [patent_app_type] => 1 [patent_app_number] => 7/293130 [patent_app_country] => US [patent_app_date] => 1989-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2076 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/936/04936380.pdf [firstpage_image] =>[orig_patent_app_number] => 293130 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/293130
Impingement plate type heat exchanger Jan 2, 1989 Issued
Array ( [id] => 2615376 [patent_doc_number] => 04936381 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-26 [patent_title] => 'Baffle for tubular header' [patent_app_type] => 1 [patent_app_number] => 7/289698 [patent_app_country] => US [patent_app_date] => 1988-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 12 [patent_no_of_words] => 2652 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/936/04936381.pdf [firstpage_image] =>[orig_patent_app_number] => 289698 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/289698
Baffle for tubular header Dec 26, 1988 Issued
Array ( [id] => 2459952 [patent_doc_number] => 04886093 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-12-12 [patent_title] => 'Vent valve of an air pump' [patent_app_type] => 1 [patent_app_number] => 7/287403 [patent_app_country] => US [patent_app_date] => 1988-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 2937 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/886/04886093.pdf [firstpage_image] =>[orig_patent_app_number] => 287403 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/287403
Vent valve of an air pump Dec 19, 1988 Issued
Array ( [id] => 2655432 [patent_doc_number] => 04982759 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-08 [patent_title] => 'Swing check valve with secured cage' [patent_app_type] => 1 [patent_app_number] => 7/286979 [patent_app_country] => US [patent_app_date] => 1988-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 27 [patent_no_of_words] => 4303 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/982/04982759.pdf [firstpage_image] =>[orig_patent_app_number] => 286979 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/286979
Swing check valve with secured cage Dec 19, 1988 Issued
Array ( [id] => 2543578 [patent_doc_number] => 04852603 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-01 [patent_title] => 'Swing check valve with secured cartridge' [patent_app_type] => 1 [patent_app_number] => 7/286706 [patent_app_country] => US [patent_app_date] => 1988-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 26 [patent_no_of_words] => 3062 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/852/04852603.pdf [firstpage_image] =>[orig_patent_app_number] => 286706 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/286706
Swing check valve with secured cartridge Dec 19, 1988 Issued
Array ( [id] => 2468721 [patent_doc_number] => 04867199 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-19 [patent_title] => 'Bi-petal l check-valve construction' [patent_app_type] => 1 [patent_app_number] => 7/284097 [patent_app_country] => US [patent_app_date] => 1988-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 6 [patent_no_of_words] => 1581 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/867/04867199.pdf [firstpage_image] =>[orig_patent_app_number] => 284097 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/284097
Bi-petal l check-valve construction Dec 13, 1988 Issued
Array ( [id] => 2502391 [patent_doc_number] => 04869283 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-26 [patent_title] => 'Device for trapping fuel vapors during the refuelling of a fuel tank' [patent_app_type] => 1 [patent_app_number] => 7/282573 [patent_app_country] => US [patent_app_date] => 1988-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2680 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/869/04869283.pdf [firstpage_image] =>[orig_patent_app_number] => 282573 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/282573
Device for trapping fuel vapors during the refuelling of a fuel tank Dec 11, 1988 Issued
Array ( [id] => 2509353 [patent_doc_number] => 04880055 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-11-14 [patent_title] => 'Impingement plate type heat exchanger' [patent_app_type] => 1 [patent_app_number] => 7/280956 [patent_app_country] => US [patent_app_date] => 1988-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4211 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/880/04880055.pdf [firstpage_image] =>[orig_patent_app_number] => 280956 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/280956
Impingement plate type heat exchanger Dec 6, 1988 Issued
Array ( [id] => 2543656 [patent_doc_number] => 04856554 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-15 [patent_title] => 'Vacuum check valve and method of control' [patent_app_type] => 1 [patent_app_number] => 7/277749 [patent_app_country] => US [patent_app_date] => 1988-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 4451 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 332 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/856/04856554.pdf [firstpage_image] =>[orig_patent_app_number] => 277749 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/277749
Vacuum check valve and method of control Nov 29, 1988 Issued
Array ( [id] => 2616488 [patent_doc_number] => 04951708 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-28 [patent_title] => 'Vacuum check valve' [patent_app_type] => 1 [patent_app_number] => 7/277629 [patent_app_country] => US [patent_app_date] => 1988-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 4011 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/951/04951708.pdf [firstpage_image] =>[orig_patent_app_number] => 277629 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/277629
Vacuum check valve Nov 29, 1988 Issued
Array ( [id] => 2459803 [patent_doc_number] => 04886085 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-12-12 [patent_title] => 'Vacuum check valve and method of control' [patent_app_type] => 1 [patent_app_number] => 7/277628 [patent_app_country] => US [patent_app_date] => 1988-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 7 [patent_no_of_words] => 4535 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/886/04886085.pdf [firstpage_image] =>[orig_patent_app_number] => 277628 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/277628
Vacuum check valve and method of control Nov 29, 1988 Issued
Array ( [id] => 2650466 [patent_doc_number] => 04903762 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-27 [patent_title] => 'Heat exchanger including a bank of finned tubes and a shell surrounding said bank' [patent_app_type] => 1 [patent_app_number] => 7/274905 [patent_app_country] => US [patent_app_date] => 1988-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2452 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/903/04903762.pdf [firstpage_image] =>[orig_patent_app_number] => 274905 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/274905
Heat exchanger including a bank of finned tubes and a shell surrounding said bank Nov 21, 1988 Issued
Array ( [id] => 2462494 [patent_doc_number] => 04870985 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-03 [patent_title] => 'Flow control valve' [patent_app_type] => 1 [patent_app_number] => 7/267648 [patent_app_country] => US [patent_app_date] => 1988-11-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2188 [patent_no_of_claims] => 12 [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/04/870/04870985.pdf [firstpage_image] =>[orig_patent_app_number] => 267648 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/267648
Flow control valve Nov 3, 1988 Issued
Array ( [id] => 2590824 [patent_doc_number] => 04901765 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-20 [patent_title] => 'Coupling for mixing lotions or other liquids with shower water' [patent_app_type] => 1 [patent_app_number] => 7/264861 [patent_app_country] => US [patent_app_date] => 1988-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2247 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 449 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/901/04901765.pdf [firstpage_image] =>[orig_patent_app_number] => 264861 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/264861
Coupling for mixing lotions or other liquids with shower water Oct 30, 1988 Issued
Array ( [id] => 2573058 [patent_doc_number] => 04907646 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-03-13 [patent_title] => 'Heat exchanger' [patent_app_type] => 1 [patent_app_number] => 7/262821 [patent_app_country] => US [patent_app_date] => 1988-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 20 [patent_no_of_words] => 4479 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 489 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/907/04907646.pdf [firstpage_image] =>[orig_patent_app_number] => 262821 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/262821
Heat exchanger Oct 25, 1988 Issued
Array ( [id] => 2510753 [patent_doc_number] => 04883086 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-11-28 [patent_title] => 'Aspiration chemical supply apparatus and method' [patent_app_type] => 1 [patent_app_number] => 7/263201 [patent_app_country] => US [patent_app_date] => 1988-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 5582 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/883/04883086.pdf [firstpage_image] =>[orig_patent_app_number] => 263201 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/263201
Aspiration chemical supply apparatus and method Oct 25, 1988 Issued
Array ( [id] => 2550462 [patent_doc_number] => 04899772 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-13 [patent_title] => 'Mixing aids for supersonic flows' [patent_app_type] => 1 [patent_app_number] => 7/260221 [patent_app_country] => US [patent_app_date] => 1988-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1546 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/899/04899772.pdf [firstpage_image] =>[orig_patent_app_number] => 260221 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/260221
Mixing aids for supersonic flows Oct 19, 1988 Issued
Array ( [id] => 2604618 [patent_doc_number] => 04942922 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-24 [patent_title] => 'Welded corrosion-resistant ferritic stainless steel tubing having high resistance to hydrogen embrittlement and a cathodically protected heat exchanger containing the same' [patent_app_type] => 1 [patent_app_number] => 7/259520 [patent_app_country] => US [patent_app_date] => 1988-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5987 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/942/04942922.pdf [firstpage_image] =>[orig_patent_app_number] => 259520 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/259520
Welded corrosion-resistant ferritic stainless steel tubing having high resistance to hydrogen embrittlement and a cathodically protected heat exchanger containing the same Oct 17, 1988 Issued
Array ( [id] => 2469656 [patent_doc_number] => 04858639 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-22 [patent_title] => 'Current-pressure transducer, particularly for a vacuum control in automotive vehicles' [patent_app_type] => 1 [patent_app_number] => 7/258224 [patent_app_country] => US [patent_app_date] => 1988-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3177 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 286 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/858/04858639.pdf [firstpage_image] =>[orig_patent_app_number] => 258224 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/258224
Current-pressure transducer, particularly for a vacuum control in automotive vehicles Oct 13, 1988 Issued
Array ( [id] => 2550478 [patent_doc_number] => 04899773 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-13 [patent_title] => 'Valve apparatus and method' [patent_app_type] => 1 [patent_app_number] => 7/258229 [patent_app_country] => US [patent_app_date] => 1988-10-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3047 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/899/04899773.pdf [firstpage_image] =>[orig_patent_app_number] => 258229 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/258229
Valve apparatus and method Oct 13, 1988 Issued
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