Search

Matthew D. Krcha

Examiner (ID: 19563, Phone: (571)270-0386 , Office: P/1798 )

Most Active Art Unit
1798
Art Unit(s)
1773, 1798, 1796
Total Applications
738
Issued Applications
413
Pending Applications
132
Abandoned Applications
207

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2940799 [patent_doc_number] => 05189474 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-02-23 [patent_title] => 'Agitating member for a developing apparatus' [patent_app_type] => 1 [patent_app_number] => 7/686973 [patent_app_country] => US [patent_app_date] => 1991-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 4994 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/189/05189474.pdf [firstpage_image] =>[orig_patent_app_number] => 686973 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/686973
Agitating member for a developing apparatus Apr 17, 1991 Issued
Array ( [id] => 2956416 [patent_doc_number] => 05221949 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-06-22 [patent_title] => 'Feeding timing control for an image forming apparatus' [patent_app_type] => 1 [patent_app_number] => 7/686778 [patent_app_country] => US [patent_app_date] => 1991-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 23 [patent_no_of_words] => 9488 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/221/05221949.pdf [firstpage_image] =>[orig_patent_app_number] => 686778 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/686778
Feeding timing control for an image forming apparatus Apr 16, 1991 Issued
Array ( [id] => 2796908 [patent_doc_number] => 05136332 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-04 [patent_title] => 'Overridable worm gear drive for multicolor image forming apparatus' [patent_app_type] => 1 [patent_app_number] => 7/685251 [patent_app_country] => US [patent_app_date] => 1991-04-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 3497 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 176 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/136/05136332.pdf [firstpage_image] =>[orig_patent_app_number] => 685251 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/685251
Overridable worm gear drive for multicolor image forming apparatus Apr 14, 1991 Issued
Array ( [id] => 3043942 [patent_doc_number] => 05300980 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-05 [patent_title] => 'Control apparatus of copying machine with improved communication function for centralized control unit' [patent_app_type] => 1 [patent_app_number] => 7/682122 [patent_app_country] => US [patent_app_date] => 1991-04-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 23 [patent_no_of_words] => 7385 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 179 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/300/05300980.pdf [firstpage_image] =>[orig_patent_app_number] => 682122 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/682122
Control apparatus of copying machine with improved communication function for centralized control unit Apr 7, 1991 Issued
07/682511 CENTRALIZED CONTROL SYSTEM FOR TERMINAL DEVICE Apr 7, 1991 Abandoned
07/682259 CONTROL APPARATUS OF COPYING MACHINE WITH IMPROVED COMMUNICATION FUNCTION FOR CENTRALIZED CONTROL UNIT Apr 7, 1991 Abandoned
07/682009 CONTROL APPARATUS OF COPYING MACHINE WITH IMPROVED COMMUNICATION FUNCTION FOR CENTRALIZED CONTROL UNIT Apr 7, 1991 Abandoned
07/682107 CONTROL APPARATUS FOR COPYING MACHINE WITH IMPROVED COMMUNICATION FUNCTION FOR CENTRALIZED CONTROL UNIT Apr 7, 1991 Abandoned
Array ( [id] => 2833915 [patent_doc_number] => 05117264 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-26 [patent_title] => 'Damage resistant cleaning blade' [patent_app_type] => 1 [patent_app_number] => 7/680191 [patent_app_country] => US [patent_app_date] => 1991-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3971 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/117/05117264.pdf [firstpage_image] =>[orig_patent_app_number] => 680191 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/680191
Damage resistant cleaning blade Apr 2, 1991 Issued
Array ( [id] => 2812160 [patent_doc_number] => 05148221 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-15 [patent_title] => 'Image forming apparatus with toner density control based on the medium supplied' [patent_app_type] => 1 [patent_app_number] => 7/676109 [patent_app_country] => US [patent_app_date] => 1991-03-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 20 [patent_no_of_words] => 8650 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/148/05148221.pdf [firstpage_image] =>[orig_patent_app_number] => 676109 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/676109
Image forming apparatus with toner density control based on the medium supplied Mar 26, 1991 Issued
Array ( [id] => 2796961 [patent_doc_number] => 05136335 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-08-04 [patent_title] => 'Developer carrier with a dielectric layer having a frequency characteristic confined in a predetermined range' [patent_app_type] => 1 [patent_app_number] => 7/670406 [patent_app_country] => US [patent_app_date] => 1991-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 3221 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/136/05136335.pdf [firstpage_image] =>[orig_patent_app_number] => 670406 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/670406
Developer carrier with a dielectric layer having a frequency characteristic confined in a predetermined range Mar 14, 1991 Issued
Array ( [id] => 2981132 [patent_doc_number] => 05182604 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-01-26 [patent_title] => 'Transfer roller with voltage polarity control' [patent_app_type] => 1 [patent_app_number] => 7/670172 [patent_app_country] => US [patent_app_date] => 1991-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 18 [patent_no_of_words] => 4924 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/182/05182604.pdf [firstpage_image] =>[orig_patent_app_number] => 670172 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/670172
Transfer roller with voltage polarity control Mar 14, 1991 Issued
07/664312 IMAGE FORMING APPARATUS HAVING FUNCTION OF DUST REMOVAL Mar 3, 1991 Abandoned
07/659609 IMAGE FORMING APPARATUS WITH ANTI-BANDING IMPLEMENTATION Feb 20, 1991 Abandoned
07/657645 PHOTOCONDUCTOR FILM CLAMPING AND TENSIONING SYSTEM AND METHOD OF USE Feb 18, 1991 Abandoned
Array ( [id] => 2945849 [patent_doc_number] => 05191362 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-02 [patent_title] => 'Electrophotographic printing apparatus with a control system responsive to temperature changes' [patent_app_type] => 1 [patent_app_number] => 7/657851 [patent_app_country] => US [patent_app_date] => 1991-02-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 4019 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 305 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/191/05191362.pdf [firstpage_image] =>[orig_patent_app_number] => 657851 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/657851
Electrophotographic printing apparatus with a control system responsive to temperature changes Feb 18, 1991 Issued
Array ( [id] => 2867147 [patent_doc_number] => 05166736 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-24 [patent_title] => 'Electrophotographic printing apparatus with pivotable paper buffer and pivotable guide member' [patent_app_type] => 1 [patent_app_number] => 7/655714 [patent_app_country] => US [patent_app_date] => 1991-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1987 [patent_no_of_claims] => 7 [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/05/166/05166736.pdf [firstpage_image] =>[orig_patent_app_number] => 655714 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/655714
Electrophotographic printing apparatus with pivotable paper buffer and pivotable guide member Feb 14, 1991 Issued
Array ( [id] => 2854882 [patent_doc_number] => 05107302 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-21 [patent_title] => 'Image density control device for an image forming apparatus' [patent_app_type] => 1 [patent_app_number] => 7/652375 [patent_app_country] => US [patent_app_date] => 1991-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 5465 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/107/05107302.pdf [firstpage_image] =>[orig_patent_app_number] => 652375 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/652375
Image density control device for an image forming apparatus Feb 6, 1991 Issued
07/644454 CHARGING MEMBER WITH A BRIDGING ELECTRODE STRUCTURE AND CHARGING DEVICE USING SAME IN A DETACHABLE PROCESS UNIT IN AN IMAGE FORMING APPARATUS Jan 22, 1991 Abandoned
07/644439 COLOR IAMGE FORMING APPARATUS Jan 21, 1991 Abandoned
Menu