Search

Charles W. Stewart Jr.

Examiner (ID: 10928)

Most Active Art Unit
2853
Art Unit(s)
2853
Total Applications
383
Issued Applications
366
Pending Applications
12
Abandoned Applications
5

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4367337 [patent_doc_number] => 06276790 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-21 [patent_title] => 'Hot melt ink jet print head and purging method in the head' [patent_app_type] => 1 [patent_app_number] => 8/969015 [patent_app_country] => US [patent_app_date] => 1997-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 33 [patent_no_of_words] => 7935 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/276/06276790.pdf [firstpage_image] =>[orig_patent_app_number] => 969015 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/969015
Hot melt ink jet print head and purging method in the head Nov 11, 1997 Issued
Array ( [id] => 4259364 [patent_doc_number] => 06280013 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-08-28 [patent_title] => 'Heat exchanger for an inkjet printhead' [patent_app_type] => 1 [patent_app_number] => 8/964583 [patent_app_country] => US [patent_app_date] => 1997-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 3275 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/280/06280013.pdf [firstpage_image] =>[orig_patent_app_number] => 964583 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/964583
Heat exchanger for an inkjet printhead Nov 4, 1997 Issued
Array ( [id] => 4274839 [patent_doc_number] => 06234604 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-05-22 [patent_title] => 'Ink jet recording apparatus' [patent_app_type] => 1 [patent_app_number] => 8/961806 [patent_app_country] => US [patent_app_date] => 1997-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 4867 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/234/06234604.pdf [firstpage_image] =>[orig_patent_app_number] => 961806 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/961806
Ink jet recording apparatus Oct 30, 1997 Issued
Array ( [id] => 1564389 [patent_doc_number] => 06362844 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-03-26 [patent_title] => 'Structure of a piezoelectric ink-jet printer head' [patent_app_type] => B1 [patent_app_number] => 08/956884 [patent_app_country] => US [patent_app_date] => 1997-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2276 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/362/06362844.pdf [firstpage_image] =>[orig_patent_app_number] => 08956884 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/956884
Structure of a piezoelectric ink-jet printer head Oct 22, 1997 Issued
08/930979 OPTICAL SWITCH AND INK JET PRINTER Oct 14, 1997 Abandoned
Array ( [id] => 4231195 [patent_doc_number] => 06220693 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-04-24 [patent_title] => 'Overspray adaptation method and apparatus for an ink jet print engine' [patent_app_type] => 1 [patent_app_number] => 8/939561 [patent_app_country] => US [patent_app_date] => 1997-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 22 [patent_no_of_words] => 8097 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/220/06220693.pdf [firstpage_image] =>[orig_patent_app_number] => 939561 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/939561
Overspray adaptation method and apparatus for an ink jet print engine Sep 28, 1997 Issued
Array ( [id] => 4198354 [patent_doc_number] => 06109717 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-29 [patent_title] => 'Multi-element fluid delivery apparatus and methods' [patent_app_type] => 1 [patent_app_number] => 8/939767 [patent_app_country] => US [patent_app_date] => 1997-09-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 12 [patent_no_of_words] => 9124 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/109/06109717.pdf [firstpage_image] =>[orig_patent_app_number] => 939767 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/939767
Multi-element fluid delivery apparatus and methods Sep 28, 1997 Issued
Array ( [id] => 4130820 [patent_doc_number] => 06062669 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-16 [patent_title] => 'Method for detecting ink cartridge status' [patent_app_type] => 1 [patent_app_number] => 8/934515 [patent_app_country] => US [patent_app_date] => 1997-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1938 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/062/06062669.pdf [firstpage_image] =>[orig_patent_app_number] => 934515 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/934515
Method for detecting ink cartridge status Sep 21, 1997 Issued
Array ( [id] => 4168446 [patent_doc_number] => 06158837 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-12 [patent_title] => 'Printer having print mode for non-qualified marking material' [patent_app_type] => 1 [patent_app_number] => 8/934547 [patent_app_country] => US [patent_app_date] => 1997-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 7589 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/158/06158837.pdf [firstpage_image] =>[orig_patent_app_number] => 934547 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/934547
Printer having print mode for non-qualified marking material Sep 18, 1997 Issued
Array ( [id] => 4090022 [patent_doc_number] => 06050665 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-18 [patent_title] => 'Printing device with function for advising control unit of rank of mounted print head' [patent_app_type] => 1 [patent_app_number] => 8/933841 [patent_app_country] => US [patent_app_date] => 1997-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 15 [patent_no_of_words] => 6108 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/050/06050665.pdf [firstpage_image] =>[orig_patent_app_number] => 933841 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/933841
Printing device with function for advising control unit of rank of mounted print head Sep 18, 1997 Issued
Array ( [id] => 4138343 [patent_doc_number] => 06102513 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-15 [patent_title] => 'Ink jet printing apparatus and method using timing control of electronic waveforms for variable gray scale printing without artifacts' [patent_app_type] => 1 [patent_app_number] => 8/928003 [patent_app_country] => US [patent_app_date] => 1997-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5684 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/102/06102513.pdf [firstpage_image] =>[orig_patent_app_number] => 928003 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/928003
Ink jet printing apparatus and method using timing control of electronic waveforms for variable gray scale printing without artifacts Sep 10, 1997 Issued
Array ( [id] => 4116165 [patent_doc_number] => 06120125 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-19 [patent_title] => 'Technique for testing the driving of nozzles in an ink-jet printer' [patent_app_type] => 1 [patent_app_number] => 8/928066 [patent_app_country] => US [patent_app_date] => 1997-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4004 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/120/06120125.pdf [firstpage_image] =>[orig_patent_app_number] => 928066 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/928066
Technique for testing the driving of nozzles in an ink-jet printer Sep 10, 1997 Issued
Array ( [id] => 4311867 [patent_doc_number] => 06328395 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2001-12-11 [patent_title] => 'Ink jet printer and ink jet printing method' [patent_app_type] => 1 [patent_app_number] => 8/925727 [patent_app_country] => US [patent_app_date] => 1997-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 48 [patent_figures_cnt] => 48 [patent_no_of_words] => 17791 [patent_no_of_claims] => 37 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/328/06328395.pdf [firstpage_image] =>[orig_patent_app_number] => 925727 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/925727
Ink jet printer and ink jet printing method Sep 8, 1997 Issued
Array ( [id] => 1571477 [patent_doc_number] => 06467867 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2002-10-22 [patent_title] => 'Method and apparatus for registration and color fidelity control in a multihead digital color print engine' [patent_app_type] => B1 [patent_app_number] => 08/922297 [patent_app_country] => US [patent_app_date] => 1997-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 9097 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/467/06467867.pdf [firstpage_image] =>[orig_patent_app_number] => 08922297 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/922297
Method and apparatus for registration and color fidelity control in a multihead digital color print engine Sep 2, 1997 Issued
Array ( [id] => 4141790 [patent_doc_number] => 06155675 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-12-05 [patent_title] => 'Printhead structure and method for producing the same' [patent_app_type] => 1 [patent_app_number] => 8/921678 [patent_app_country] => US [patent_app_date] => 1997-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 15478 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/155/06155675.pdf [firstpage_image] =>[orig_patent_app_number] => 921678 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/921678
Printhead structure and method for producing the same Aug 27, 1997 Issued
Array ( [id] => 4220285 [patent_doc_number] => 06142607 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-07 [patent_title] => 'Ink-jet recording head' [patent_app_type] => 1 [patent_app_number] => 8/908627 [patent_app_country] => US [patent_app_date] => 1997-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 25 [patent_no_of_words] => 6518 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/142/06142607.pdf [firstpage_image] =>[orig_patent_app_number] => 908627 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/908627
Ink-jet recording head Aug 6, 1997 Issued
Array ( [id] => 4198791 [patent_doc_number] => 06109744 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-29 [patent_title] => 'Asymmetric restrictor for ink jet printhead' [patent_app_type] => 1 [patent_app_number] => 8/905164 [patent_app_country] => US [patent_app_date] => 1997-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 3446 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/109/06109744.pdf [firstpage_image] =>[orig_patent_app_number] => 905164 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/905164
Asymmetric restrictor for ink jet printhead Jul 31, 1997 Issued
Array ( [id] => 4086209 [patent_doc_number] => 06099109 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-08 [patent_title] => 'Liquid-ejecting head and method of manufacturing the same' [patent_app_type] => 1 [patent_app_number] => 8/902325 [patent_app_country] => US [patent_app_date] => 1997-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 7160 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 141 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/099/06099109.pdf [firstpage_image] =>[orig_patent_app_number] => 902325 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/902325
Liquid-ejecting head and method of manufacturing the same Jul 28, 1997 Issued
08/836858 CLEANING AND SEALING STATION FOR A PRINTING HEAD Jul 14, 1997 Abandoned
Array ( [id] => 4079844 [patent_doc_number] => 06095639 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-08-01 [patent_title] => 'Method for preserving a liquid-ejection head, and liquid-ejection apparatus' [patent_app_type] => 1 [patent_app_number] => 8/890333 [patent_app_country] => US [patent_app_date] => 1997-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 37 [patent_no_of_words] => 21192 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 203 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/095/06095639.pdf [firstpage_image] =>[orig_patent_app_number] => 890333 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/890333
Method for preserving a liquid-ejection head, and liquid-ejection apparatus Jul 8, 1997 Issued
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