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Matthew Stephens

Examiner (ID: 2544)

Most Active Art Unit
3725
Art Unit(s)
3725
Total Applications
146
Issued Applications
64
Pending Applications
59
Abandoned Applications
23

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3843416 [patent_doc_number] => 05791659 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-11 [patent_title] => 'Metal gasket' [patent_app_type] => 1 [patent_app_number] => 8/912861 [patent_app_country] => US [patent_app_date] => 1997-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 6344 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/791/05791659.pdf [firstpage_image] =>[orig_patent_app_number] => 912861 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/912861
Metal gasket Aug 18, 1997 Issued
Array ( [id] => 3732774 [patent_doc_number] => 05716051 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-10 [patent_title] => 'One-piece seal with fastening section and sealing section' [patent_app_type] => 1 [patent_app_number] => 8/899747 [patent_app_country] => US [patent_app_date] => 1997-07-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1705 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/716/05716051.pdf [firstpage_image] =>[orig_patent_app_number] => 899747 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/899747
One-piece seal with fastening section and sealing section Jul 23, 1997 Issued
Array ( [id] => 3831756 [patent_doc_number] => 05765836 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-16 [patent_title] => 'Sealing system' [patent_app_type] => 1 [patent_app_number] => 8/895018 [patent_app_country] => US [patent_app_date] => 1997-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6752 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/765/05765836.pdf [firstpage_image] =>[orig_patent_app_number] => 895018 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/895018
Sealing system Jul 15, 1997 Issued
Array ( [id] => 1496737 [patent_doc_number] => 06485021 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-11-26 [patent_title] => 'Mechanical seal unit with temporarily connecting inlet and outlet grooves' [patent_app_type] => B1 [patent_app_number] => 08/825998 [patent_app_country] => US [patent_app_date] => 1997-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1897 [patent_no_of_claims] => 4 [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/06/485/06485021.pdf [firstpage_image] =>[orig_patent_app_number] => 08825998 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/825998
Mechanical seal unit with temporarily connecting inlet and outlet grooves Apr 3, 1997 Issued
Array ( [id] => 3778774 [patent_doc_number] => 05725219 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-10 [patent_title] => 'Mechanical face seal with elastomeric bellows unit and intermeshing drive bands' [patent_app_type] => 1 [patent_app_number] => 8/822740 [patent_app_country] => US [patent_app_date] => 1997-03-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1801 [patent_no_of_claims] => 11 [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/05/725/05725219.pdf [firstpage_image] =>[orig_patent_app_number] => 822740 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/822740
Mechanical face seal with elastomeric bellows unit and intermeshing drive bands Mar 24, 1997 Issued
Array ( [id] => 3812745 [patent_doc_number] => 05730445 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-03-24 [patent_title] => 'Pressure energized metalic sealing ring' [patent_app_type] => 1 [patent_app_number] => 8/813290 [patent_app_country] => US [patent_app_date] => 1997-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4122 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 325 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/730/05730445.pdf [firstpage_image] =>[orig_patent_app_number] => 813290 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/813290
Pressure energized metalic sealing ring Mar 9, 1997 Issued
Array ( [id] => 3817890 [patent_doc_number] => 05738359 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-14 [patent_title] => 'Expandable band and locking mechanism for installing a flexible sealing element' [patent_app_type] => 1 [patent_app_number] => 8/801945 [patent_app_country] => US [patent_app_date] => 1997-02-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 3071 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/738/05738359.pdf [firstpage_image] =>[orig_patent_app_number] => 801945 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/801945
Expandable band and locking mechanism for installing a flexible sealing element Feb 13, 1997 Issued
Array ( [id] => 3822463 [patent_doc_number] => 05711535 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-01-27 [patent_title] => 'Valve spool seal with one-piece housing ring having an arcuate side wall and a stepped side wall' [patent_app_type] => 1 [patent_app_number] => 8/789788 [patent_app_country] => US [patent_app_date] => 1997-01-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 4145 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 307 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/711/05711535.pdf [firstpage_image] =>[orig_patent_app_number] => 789788 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/789788
Valve spool seal with one-piece housing ring having an arcuate side wall and a stepped side wall Jan 28, 1997 Issued
Array ( [id] => 3767284 [patent_doc_number] => 05820131 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-13 [patent_title] => 'Piston ring having wear coating consisting of Cr.sub.2 N or a mixture of Cr.sub.2 N and Cr' [patent_app_type] => 1 [patent_app_number] => 8/788345 [patent_app_country] => US [patent_app_date] => 1997-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3186 [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/05/820/05820131.pdf [firstpage_image] =>[orig_patent_app_number] => 788345 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/788345
Piston ring having wear coating consisting of Cr.sub.2 N or a mixture of Cr.sub.2 N and Cr Jan 26, 1997 Issued
Array ( [id] => 3811189 [patent_doc_number] => 05758882 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-02 [patent_title] => 'Screened gasket for high pressure fluid transmission applications' [patent_app_type] => 1 [patent_app_number] => 8/788737 [patent_app_country] => US [patent_app_date] => 1997-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3495 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/758/05758882.pdf [firstpage_image] =>[orig_patent_app_number] => 788737 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/788737
Screened gasket for high pressure fluid transmission applications Jan 23, 1997 Issued
Array ( [id] => 3714811 [patent_doc_number] => 05700013 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-23 [patent_title] => 'Secondary seal with mechanical gas seal' [patent_app_type] => 1 [patent_app_number] => 8/787436 [patent_app_country] => US [patent_app_date] => 1997-01-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 5749 [patent_no_of_claims] => 5 [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/05/700/05700013.pdf [firstpage_image] =>[orig_patent_app_number] => 787436 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/787436
Secondary seal with mechanical gas seal Jan 21, 1997 Issued
Array ( [id] => 3873825 [patent_doc_number] => 05713582 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-03 [patent_title] => 'Seal retainer' [patent_app_type] => 1 [patent_app_number] => 8/778633 [patent_app_country] => US [patent_app_date] => 1997-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4732 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/713/05713582.pdf [firstpage_image] =>[orig_patent_app_number] => 778633 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/778633
Seal retainer Jan 2, 1997 Issued
Array ( [id] => 3772499 [patent_doc_number] => 05735532 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-04-07 [patent_title] => 'Seal compression limiting retainer' [patent_app_type] => 1 [patent_app_number] => 8/778631 [patent_app_country] => US [patent_app_date] => 1997-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4980 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/735/05735532.pdf [firstpage_image] =>[orig_patent_app_number] => 778631 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/778631
Seal compression limiting retainer Jan 2, 1997 Issued
Array ( [id] => 3755917 [patent_doc_number] => 05755446 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-05-26 [patent_title] => 'Seal apparatus between a shaft and a non-linear inner surface of a housing' [patent_app_type] => 1 [patent_app_number] => 8/774113 [patent_app_country] => US [patent_app_date] => 1996-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 4417 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 285 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/755/05755446.pdf [firstpage_image] =>[orig_patent_app_number] => 774113 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/774113
Seal apparatus between a shaft and a non-linear inner surface of a housing Dec 23, 1996 Issued
Array ( [id] => 3838081 [patent_doc_number] => 05718437 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-02-17 [patent_title] => 'Combined oil ring with spacer/expander having Cr.sub.2 N coating thereon' [patent_app_type] => 1 [patent_app_number] => 8/767800 [patent_app_country] => US [patent_app_date] => 1996-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2848 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/718/05718437.pdf [firstpage_image] =>[orig_patent_app_number] => 767800 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/767800
Combined oil ring with spacer/expander having Cr.sub.2 N coating thereon Dec 16, 1996 Issued
Array ( [id] => 3847848 [patent_doc_number] => 05794938 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-18 [patent_title] => 'Brush seal secured by a C-shaped clamping ring' [patent_app_type] => 1 [patent_app_number] => 8/775710 [patent_app_country] => US [patent_app_date] => 1996-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1424 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/794/05794938.pdf [firstpage_image] =>[orig_patent_app_number] => 775710 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/775710
Brush seal secured by a C-shaped clamping ring Dec 16, 1996 Issued
Array ( [id] => 3798164 [patent_doc_number] => 05788247 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-08-04 [patent_title] => 'Composite gasket comprising surface formed tangs' [patent_app_type] => 1 [patent_app_number] => 8/764364 [patent_app_country] => US [patent_app_date] => 1996-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 1538 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/788/05788247.pdf [firstpage_image] =>[orig_patent_app_number] => 764364 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/764364
Composite gasket comprising surface formed tangs Dec 11, 1996 Issued
Array ( [id] => 3828993 [patent_doc_number] => 05707065 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-01-13 [patent_title] => 'Sintered SIC mechanical seals having particular pore volume, shape, and diameter' [patent_app_type] => 1 [patent_app_number] => 8/764272 [patent_app_country] => US [patent_app_date] => 1996-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2069 [patent_no_of_claims] => 20 [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/05/707/05707065.pdf [firstpage_image] =>[orig_patent_app_number] => 764272 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/764272
Sintered SIC mechanical seals having particular pore volume, shape, and diameter Dec 11, 1996 Issued
Array ( [id] => 3751604 [patent_doc_number] => 05772218 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-30 [patent_title] => 'Uniform compression gland seal assembly' [patent_app_type] => 1 [patent_app_number] => 8/764352 [patent_app_country] => US [patent_app_date] => 1996-12-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 2549 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/772/05772218.pdf [firstpage_image] =>[orig_patent_app_number] => 764352 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/764352
Uniform compression gland seal assembly Dec 11, 1996 Issued
Array ( [id] => 3674469 [patent_doc_number] => 05695197 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-09 [patent_title] => 'Seal ring method of sealing and molding composition comprising blend of PTFE copolymer, polyamide and carbon fiber therefor' [patent_app_type] => 1 [patent_app_number] => 8/764831 [patent_app_country] => US [patent_app_date] => 1996-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 6 [patent_no_of_words] => 4037 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/695/05695197.pdf [firstpage_image] =>[orig_patent_app_number] => 764831 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/764831
Seal ring method of sealing and molding composition comprising blend of PTFE copolymer, polyamide and carbon fiber therefor Dec 5, 1996 Issued
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