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
07/240142 NEGATIVE-G VALVE Aug 25, 1988 Abandoned
Array ( [id] => 2601272 [patent_doc_number] => 04967782 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-06 [patent_title] => 'Process and apparatus for recovering and reusing resist composition' [patent_app_type] => 1 [patent_app_number] => 7/251224 [patent_app_country] => US [patent_app_date] => 1988-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2018 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 14 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/967/04967782.pdf [firstpage_image] =>[orig_patent_app_number] => 251224 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/251224
Process and apparatus for recovering and reusing resist composition Aug 24, 1988 Issued
Array ( [id] => 2502521 [patent_doc_number] => 04869290 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-26 [patent_title] => 'Expansion device for a refrigeration system, piston therefor and methods of making the same' [patent_app_type] => 1 [patent_app_number] => 7/233243 [patent_app_country] => US [patent_app_date] => 1988-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3496 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 339 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/869/04869290.pdf [firstpage_image] =>[orig_patent_app_number] => 233243 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/233243
Expansion device for a refrigeration system, piston therefor and methods of making the same Aug 16, 1988 Issued
Array ( [id] => 2572448 [patent_doc_number] => 04907616 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-03-13 [patent_title] => 'Check valve assembly' [patent_app_type] => 1 [patent_app_number] => 7/232002 [patent_app_country] => US [patent_app_date] => 1988-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2365 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/907/04907616.pdf [firstpage_image] =>[orig_patent_app_number] => 232002 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/232002
Check valve assembly Aug 14, 1988 Issued
Array ( [id] => 2509731 [patent_doc_number] => 04877046 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-31 [patent_title] => 'Closing and injection valve especially for hot gas defrosting in freezing and cooling installations' [patent_app_type] => 1 [patent_app_number] => 7/222079 [patent_app_country] => US [patent_app_date] => 1988-08-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3018 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/877/04877046.pdf [firstpage_image] =>[orig_patent_app_number] => 222079 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/222079
Closing and injection valve especially for hot gas defrosting in freezing and cooling installations Aug 14, 1988 Issued
Array ( [id] => 2492813 [patent_doc_number] => 04850393 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-07-25 [patent_title] => 'All-plastic check valve' [patent_app_type] => 1 [patent_app_number] => 7/227542 [patent_app_country] => US [patent_app_date] => 1988-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 7 [patent_no_of_words] => 2101 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 155 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/850/04850393.pdf [firstpage_image] =>[orig_patent_app_number] => 227542 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/227542
All-plastic check valve Jul 31, 1988 Issued
Array ( [id] => 2507624 [patent_doc_number] => 04860780 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-29 [patent_title] => 'Earthquake safety valve shut-off' [patent_app_type] => 1 [patent_app_number] => 7/224291 [patent_app_country] => US [patent_app_date] => 1988-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2060 [patent_no_of_claims] => 3 [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/04/860/04860780.pdf [firstpage_image] =>[orig_patent_app_number] => 224291 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/224291
Earthquake safety valve shut-off Jul 25, 1988 Issued
Array ( [id] => 2591319 [patent_doc_number] => 04901791 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-20 [patent_title] => 'Condenser having plural unequal flow paths' [patent_app_type] => 1 [patent_app_number] => 7/223984 [patent_app_country] => US [patent_app_date] => 1988-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1568 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/901/04901791.pdf [firstpage_image] =>[orig_patent_app_number] => 223984 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/223984
Condenser having plural unequal flow paths Jul 24, 1988 Issued
Array ( [id] => 2516851 [patent_doc_number] => 04838703 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-13 [patent_title] => 'Injection impeller for agricultural chemicals' [patent_app_type] => 1 [patent_app_number] => 7/223404 [patent_app_country] => US [patent_app_date] => 1988-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2188 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/838/04838703.pdf [firstpage_image] =>[orig_patent_app_number] => 223404 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/223404
Injection impeller for agricultural chemicals Jul 24, 1988 Issued
Array ( [id] => 2535103 [patent_doc_number] => 04813451 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-21 [patent_title] => 'Swing check valve with removable cartridge' [patent_app_type] => 1 [patent_app_number] => 7/221620 [patent_app_country] => US [patent_app_date] => 1988-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 13 [patent_no_of_words] => 1855 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/813/04813451.pdf [firstpage_image] =>[orig_patent_app_number] => 221620 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/221620
Swing check valve with removable cartridge Jul 19, 1988 Issued
Array ( [id] => 2507803 [patent_doc_number] => 04860790 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-29 [patent_title] => 'Swing check valve disc' [patent_app_type] => 1 [patent_app_number] => 7/220074 [patent_app_country] => US [patent_app_date] => 1988-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 18 [patent_no_of_words] => 1963 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/860/04860790.pdf [firstpage_image] =>[orig_patent_app_number] => 220074 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/220074
Swing check valve disc Jul 13, 1988 Issued
Array ( [id] => 2497598 [patent_doc_number] => 04862913 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-09-05 [patent_title] => 'Check valve' [patent_app_type] => 1 [patent_app_number] => 7/216319 [patent_app_country] => US [patent_app_date] => 1988-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 5169 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/862/04862913.pdf [firstpage_image] =>[orig_patent_app_number] => 216319 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/216319
Check valve Jul 6, 1988 Issued
Array ( [id] => 2497851 [patent_doc_number] => 04854341 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-08 [patent_title] => 'Plate valve' [patent_app_type] => 1 [patent_app_number] => 7/213158 [patent_app_country] => US [patent_app_date] => 1988-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 5 [patent_no_of_words] => 2741 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/854/04854341.pdf [firstpage_image] =>[orig_patent_app_number] => 213158 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/213158
Plate valve Jun 28, 1988 Issued
Array ( [id] => 2639235 [patent_doc_number] => 04928726 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-05-29 [patent_title] => 'Crossarm valve seat with pulling ledge' [patent_app_type] => 1 [patent_app_number] => 7/212936 [patent_app_country] => US [patent_app_date] => 1988-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4643 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 226 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/928/04928726.pdf [firstpage_image] =>[orig_patent_app_number] => 212936 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/212936
Crossarm valve seat with pulling ledge Jun 28, 1988 Issued
Array ( [id] => 2543654 [patent_doc_number] => 04852607 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-01 [patent_title] => 'Support for check valve disc' [patent_app_type] => 1 [patent_app_number] => 7/213266 [patent_app_country] => US [patent_app_date] => 1988-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 16 [patent_no_of_words] => 2418 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/852/04852607.pdf [firstpage_image] =>[orig_patent_app_number] => 213266 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/213266
Support for check valve disc Jun 28, 1988 Issued
Array ( [id] => 2531443 [patent_doc_number] => 04832076 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-23 [patent_title] => 'Swing check valve with hinge pin retainer' [patent_app_type] => 1 [patent_app_number] => 7/212395 [patent_app_country] => US [patent_app_date] => 1988-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 30 [patent_no_of_words] => 4790 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/832/04832076.pdf [firstpage_image] =>[orig_patent_app_number] => 212395 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/212395
Swing check valve with hinge pin retainer Jun 26, 1988 Issued
Array ( [id] => 2609964 [patent_doc_number] => 04905728 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-03-06 [patent_title] => 'Swing check valve with hinge pin retainer' [patent_app_type] => 1 [patent_app_number] => 7/212255 [patent_app_country] => US [patent_app_date] => 1988-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 30 [patent_no_of_words] => 4802 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/905/04905728.pdf [firstpage_image] =>[orig_patent_app_number] => 212255 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/212255
Swing check valve with hinge pin retainer Jun 26, 1988 Issued
Array ( [id] => 2590463 [patent_doc_number] => 04901746 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-20 [patent_title] => 'Anticipating overspeed governor' [patent_app_type] => 1 [patent_app_number] => 7/211876 [patent_app_country] => US [patent_app_date] => 1988-06-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1447 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/901/04901746.pdf [firstpage_image] =>[orig_patent_app_number] => 211876 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/211876
Anticipating overspeed governor Jun 26, 1988 Issued
Array ( [id] => 2462198 [patent_doc_number] => 04811758 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-14 [patent_title] => 'Pressurized check valve' [patent_app_type] => 1 [patent_app_number] => 7/206609 [patent_app_country] => US [patent_app_date] => 1988-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 4170 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 67 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/811/04811758.pdf [firstpage_image] =>[orig_patent_app_number] => 206609 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/206609
Pressurized check valve Jun 13, 1988 Issued
Array ( [id] => 2574161 [patent_doc_number] => 04917138 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-04-17 [patent_title] => 'Priority flow control valve for hydraulic power circuits' [patent_app_type] => 1 [patent_app_number] => 7/211097 [patent_app_country] => US [patent_app_date] => 1988-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1365 [patent_no_of_claims] => 6 [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/04/917/04917138.pdf [firstpage_image] =>[orig_patent_app_number] => 211097 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/211097
Priority flow control valve for hydraulic power circuits Jun 12, 1988 Issued
Menu