Search

Crystal Mathews

Examiner (ID: 14797, Phone: (571)272-5466 , Office: P/2623 )

Most Active Art Unit
2623
Art Unit(s)
2623, 2628, 2695
Total Applications
366
Issued Applications
187
Pending Applications
23
Abandoned Applications
147

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3827352 [patent_doc_number] => 05711874 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-01-27 [patent_title] => 'Water treating apparatus' [patent_app_type] => 1 [patent_app_number] => 8/561359 [patent_app_country] => US [patent_app_date] => 1995-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1973 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/711/05711874.pdf [firstpage_image] =>[orig_patent_app_number] => 561359 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/561359
Water treating apparatus Nov 20, 1995 Issued
Array ( [id] => 3755748 [patent_doc_number] => 05741421 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-21 [patent_title] => 'Filter device' [patent_app_type] => 1 [patent_app_number] => 8/561619 [patent_app_country] => US [patent_app_date] => 1995-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1434 [patent_no_of_claims] => 9 [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/05/741/05741421.pdf [firstpage_image] =>[orig_patent_app_number] => 561619 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/561619
Filter device Nov 20, 1995 Issued
Array ( [id] => 3677225 [patent_doc_number] => 05632891 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-05-27 [patent_title] => 'Self venting septums for use in a liquid filtration system' [patent_app_type] => 1 [patent_app_number] => 8/559228 [patent_app_country] => US [patent_app_date] => 1995-11-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3201 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/632/05632891.pdf [firstpage_image] =>[orig_patent_app_number] => 559228 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/559228
Self venting septums for use in a liquid filtration system Nov 16, 1995 Issued
Array ( [id] => 3725053 [patent_doc_number] => 05665234 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-09 [patent_title] => 'Micro-filter disc and a method for its production' [patent_app_type] => 1 [patent_app_number] => 8/530095 [patent_app_country] => US [patent_app_date] => 1995-11-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3108 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/665/05665234.pdf [firstpage_image] =>[orig_patent_app_number] => 530095 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/530095
Micro-filter disc and a method for its production Nov 14, 1995 Issued
Array ( [id] => 3752732 [patent_doc_number] => 05851393 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-12-22 [patent_title] => 'Screen assembly' [patent_app_type] => 1 [patent_app_number] => 8/557201 [patent_app_country] => US [patent_app_date] => 1995-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 2873 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 68 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/851/05851393.pdf [firstpage_image] =>[orig_patent_app_number] => 557201 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/557201
Screen assembly Nov 13, 1995 Issued
Array ( [id] => 3641366 [patent_doc_number] => 05637214 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-06-10 [patent_title] => 'Filter assembly for water treatment apparatus' [patent_app_type] => 1 [patent_app_number] => 8/555605 [patent_app_country] => US [patent_app_date] => 1995-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 2069 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/637/05637214.pdf [firstpage_image] =>[orig_patent_app_number] => 555605 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/555605
Filter assembly for water treatment apparatus Nov 8, 1995 Issued
Array ( [id] => 3584752 [patent_doc_number] => 05567311 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-10-22 [patent_title] => 'Water purifier with electrical components isolated from leaked water' [patent_app_type] => 1 [patent_app_number] => 8/552490 [patent_app_country] => US [patent_app_date] => 1995-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2570 [patent_no_of_claims] => 9 [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/05/567/05567311.pdf [firstpage_image] =>[orig_patent_app_number] => 552490 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/552490
Water purifier with electrical components isolated from leaked water Nov 8, 1995 Issued
Array ( [id] => 3575772 [patent_doc_number] => 05580454 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-03 [patent_title] => 'Backwashing filter with increased filtration surface area' [patent_app_type] => 1 [patent_app_number] => 8/552598 [patent_app_country] => US [patent_app_date] => 1995-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 13 [patent_no_of_words] => 3963 [patent_no_of_claims] => 13 [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/05/580/05580454.pdf [firstpage_image] =>[orig_patent_app_number] => 552598 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/552598
Backwashing filter with increased filtration surface area Nov 2, 1995 Issued
Array ( [id] => 3614817 [patent_doc_number] => 05614092 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-03-25 [patent_title] => 'Filter for the separation of solids and liquids from muds and specifically those from industrial processing' [patent_app_type] => 1 [patent_app_number] => 8/545584 [patent_app_country] => US [patent_app_date] => 1995-11-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4948 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/614/05614092.pdf [firstpage_image] =>[orig_patent_app_number] => 545584 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/545584
Filter for the separation of solids and liquids from muds and specifically those from industrial processing Nov 2, 1995 Issued
08/551956 SUPPORTED INORGANIC MEMBRANES Nov 1, 1995 Abandoned
Array ( [id] => 3725009 [patent_doc_number] => 05665231 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-09-09 [patent_title] => 'Full flow/bypass filter assembly' [patent_app_type] => 1 [patent_app_number] => 8/551683 [patent_app_country] => US [patent_app_date] => 1995-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 14 [patent_no_of_words] => 2438 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 209 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/665/05665231.pdf [firstpage_image] =>[orig_patent_app_number] => 551683 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/551683
Full flow/bypass filter assembly Oct 31, 1995 Issued
Array ( [id] => 3524539 [patent_doc_number] => 05582728 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-10 [patent_title] => 'Pressure washer drum' [patent_app_type] => 1 [patent_app_number] => 8/551667 [patent_app_country] => US [patent_app_date] => 1995-11-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 1672 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/582/05582728.pdf [firstpage_image] =>[orig_patent_app_number] => 551667 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/551667
Pressure washer drum Oct 31, 1995 Issued
Array ( [id] => 3617383 [patent_doc_number] => 05601717 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-11 [patent_title] => 'Filter media cartridge' [patent_app_type] => 1 [patent_app_number] => 8/550756 [patent_app_country] => US [patent_app_date] => 1995-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1634 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/601/05601717.pdf [firstpage_image] =>[orig_patent_app_number] => 550756 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/550756
Filter media cartridge Oct 30, 1995 Issued
Array ( [id] => 3583376 [patent_doc_number] => 05549816 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-08-27 [patent_title] => 'Re-usable piston filter system' [patent_app_type] => 1 [patent_app_number] => 8/551177 [patent_app_country] => US [patent_app_date] => 1995-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1611 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/549/05549816.pdf [firstpage_image] =>[orig_patent_app_number] => 551177 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/551177
Re-usable piston filter system Oct 30, 1995 Issued
Array ( [id] => 3824274 [patent_doc_number] => 05738787 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-14 [patent_title] => 'Filter pan' [patent_app_type] => 1 [patent_app_number] => 8/550528 [patent_app_country] => US [patent_app_date] => 1995-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 11 [patent_no_of_words] => 3559 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/738/05738787.pdf [firstpage_image] =>[orig_patent_app_number] => 550528 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/550528
Filter pan Oct 29, 1995 Issued
Array ( [id] => 3656632 [patent_doc_number] => 05624559 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-04-29 [patent_title] => 'Bag filter and retainer therefor' [patent_app_type] => 1 [patent_app_number] => 8/548978 [patent_app_country] => US [patent_app_date] => 1995-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 1864 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/624/05624559.pdf [firstpage_image] =>[orig_patent_app_number] => 548978 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/548978
Bag filter and retainer therefor Oct 26, 1995 Issued
Array ( [id] => 3792140 [patent_doc_number] => 05827430 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-27 [patent_title] => 'Coreless and spirally wound non-woven filter element' [patent_app_type] => 1 [patent_app_number] => 8/547352 [patent_app_country] => US [patent_app_date] => 1995-10-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 10421 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/827/05827430.pdf [firstpage_image] =>[orig_patent_app_number] => 547352 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/547352
Coreless and spirally wound non-woven filter element Oct 23, 1995 Issued
Array ( [id] => 3661445 [patent_doc_number] => 05599449 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-02-04 [patent_title] => 'Tubular elastic frame with a continuous slot spanned by a filter material' [patent_app_type] => 1 [patent_app_number] => 8/546237 [patent_app_country] => US [patent_app_date] => 1995-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 1335 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/599/05599449.pdf [firstpage_image] =>[orig_patent_app_number] => 546237 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/546237
Tubular elastic frame with a continuous slot spanned by a filter material Oct 19, 1995 Issued
Array ( [id] => 3763355 [patent_doc_number] => 05755965 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-26 [patent_title] => 'Cyclonic de-gasser' [patent_app_type] => 1 [patent_app_number] => 8/543601 [patent_app_country] => US [patent_app_date] => 1995-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2133 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/755/05755965.pdf [firstpage_image] =>[orig_patent_app_number] => 543601 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/543601
Cyclonic de-gasser Oct 15, 1995 Issued
Array ( [id] => 3505657 [patent_doc_number] => 05587072 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-12-24 [patent_title] => 'Storm sewer outlet filter' [patent_app_type] => 1 [patent_app_number] => 8/541619 [patent_app_country] => US [patent_app_date] => 1995-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1768 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/587/05587072.pdf [firstpage_image] =>[orig_patent_app_number] => 541619 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/541619
Storm sewer outlet filter Oct 9, 1995 Issued
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