Search

Keith Campbell

Examiner (ID: 11360, Phone: (571)270-1015 , Office: P/3651 )

Most Active Art Unit
3651
Art Unit(s)
3651
Total Applications
708
Issued Applications
637
Pending Applications
32
Abandoned Applications
59

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 4126831 [patent_doc_number] => 06059530 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-09 [patent_title] => 'Twin rib turbine blade' [patent_app_type] => 1 [patent_app_number] => 9/217662 [patent_app_country] => US [patent_app_date] => 1998-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3728 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/059/06059530.pdf [firstpage_image] =>[orig_patent_app_number] => 217662 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/217662
Twin rib turbine blade Dec 20, 1998 Issued
Array ( [id] => 4090656 [patent_doc_number] => 06065938 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-23 [patent_title] => 'Rotor for a turbomachine having blades to be fitted into slots, and blade for a rotor' [patent_app_type] => 1 [patent_app_number] => 9/217862 [patent_app_country] => US [patent_app_date] => 1998-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1889 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 60 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/065/06065938.pdf [firstpage_image] =>[orig_patent_app_number] => 217862 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/217862
Rotor for a turbomachine having blades to be fitted into slots, and blade for a rotor Dec 20, 1998 Issued
Array ( [id] => 4131139 [patent_doc_number] => 06030177 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-29 [patent_title] => 'Drive system for a variable diameter tilt rotor' [patent_app_type] => 1 [patent_app_number] => 9/215803 [patent_app_country] => US [patent_app_date] => 1998-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 8116 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 370 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/030/06030177.pdf [firstpage_image] =>[orig_patent_app_number] => 215803 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/215803
Drive system for a variable diameter tilt rotor Dec 17, 1998 Issued
Array ( [id] => 3917247 [patent_doc_number] => 05927945 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-07-27 [patent_title] => 'Assembling device for blade of hanging fan' [patent_app_type] => 1 [patent_app_number] => 9/215232 [patent_app_country] => US [patent_app_date] => 1998-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 978 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/927/05927945.pdf [firstpage_image] =>[orig_patent_app_number] => 215232 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/215232
Assembling device for blade of hanging fan Dec 17, 1998 Issued
Array ( [id] => 4171439 [patent_doc_number] => 06019578 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-01 [patent_title] => 'Variable diameter rotor blade actuation system' [patent_app_type] => 1 [patent_app_number] => 9/215718 [patent_app_country] => US [patent_app_date] => 1998-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 8378 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 362 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/019/06019578.pdf [firstpage_image] =>[orig_patent_app_number] => 215718 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/215718
Variable diameter rotor blade actuation system Dec 17, 1998 Issued
Array ( [id] => 4118009 [patent_doc_number] => 06146093 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-11-14 [patent_title] => 'Variable vane seal and washer' [patent_app_type] => 1 [patent_app_number] => 9/213402 [patent_app_country] => US [patent_app_date] => 1998-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3222 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/146/06146093.pdf [firstpage_image] =>[orig_patent_app_number] => 213402 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/213402
Variable vane seal and washer Dec 15, 1998 Issued
Array ( [id] => 3928808 [patent_doc_number] => 05997248 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Silicon carbide composition for turbine blade tips' [patent_app_type] => 1 [patent_app_number] => 9/204182 [patent_app_country] => US [patent_app_date] => 1998-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3373 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/997/05997248.pdf [firstpage_image] =>[orig_patent_app_number] => 204182 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/204182
Silicon carbide composition for turbine blade tips Dec 2, 1998 Issued
Array ( [id] => 3991586 [patent_doc_number] => 06004094 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-21 [patent_title] => 'Radially sealed centrifugal pump' [patent_app_type] => 1 [patent_app_number] => 9/189292 [patent_app_country] => US [patent_app_date] => 1998-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 1993 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/004/06004094.pdf [firstpage_image] =>[orig_patent_app_number] => 189292 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/189292
Radially sealed centrifugal pump Nov 9, 1998 Issued
Array ( [id] => 4126777 [patent_doc_number] => 06059526 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-09 [patent_title] => 'Brush seal' [patent_app_type] => 1 [patent_app_number] => 9/180252 [patent_app_country] => US [patent_app_date] => 1998-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 1145 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/059/06059526.pdf [firstpage_image] =>[orig_patent_app_number] => 180252 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/180252
Brush seal Nov 5, 1998 Issued
Array ( [id] => 4132985 [patent_doc_number] => 06062818 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-16 [patent_title] => 'Rotor head pendular resonator' [patent_app_type] => 1 [patent_app_number] => 9/164142 [patent_app_country] => US [patent_app_date] => 1998-09-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3548 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/062/06062818.pdf [firstpage_image] =>[orig_patent_app_number] => 164142 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/164142
Rotor head pendular resonator Sep 29, 1998 Issued
Array ( [id] => 4187520 [patent_doc_number] => 06012900 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-01-11 [patent_title] => 'Submergible pumping system with thermal sprayed polymeric wear surfaces' [patent_app_type] => 1 [patent_app_number] => 9/159132 [patent_app_country] => US [patent_app_date] => 1998-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3780 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 41 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/012/06012900.pdf [firstpage_image] =>[orig_patent_app_number] => 159132 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/159132
Submergible pumping system with thermal sprayed polymeric wear surfaces Sep 22, 1998 Issued
Array ( [id] => 4059339 [patent_doc_number] => 05964573 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-12 [patent_title] => 'Housing for a side channel compressor' [patent_app_type] => 1 [patent_app_number] => 9/043282 [patent_app_country] => US [patent_app_date] => 1998-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1288 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/964/05964573.pdf [firstpage_image] =>[orig_patent_app_number] => 043282 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/043282
Housing for a side channel compressor Sep 13, 1998 Issued
Array ( [id] => 4070821 [patent_doc_number] => 06053701 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-04-25 [patent_title] => 'Gas turbine rotor for steam cooling' [patent_app_type] => 1 [patent_app_number] => 9/125882 [patent_app_country] => US [patent_app_date] => 1998-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2436 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/053/06053701.pdf [firstpage_image] =>[orig_patent_app_number] => 125882 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/125882
Gas turbine rotor for steam cooling Aug 26, 1998 Issued
Array ( [id] => 4132879 [patent_doc_number] => 06062810 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-16 [patent_title] => 'Turbomolecular pump' [patent_app_type] => 1 [patent_app_number] => 9/133332 [patent_app_country] => US [patent_app_date] => 1998-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 2363 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/062/06062810.pdf [firstpage_image] =>[orig_patent_app_number] => 133332 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/133332
Turbomolecular pump Aug 12, 1998 Issued
Array ( [id] => 4142026 [patent_doc_number] => 06123503 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-09-26 [patent_title] => 'Dryer nozzle assembly' [patent_app_type] => 1 [patent_app_number] => 9/126124 [patent_app_country] => US [patent_app_date] => 1998-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2258 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/123/06123503.pdf [firstpage_image] =>[orig_patent_app_number] => 126124 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/126124
Dryer nozzle assembly Jul 29, 1998 Issued
Array ( [id] => 4194207 [patent_doc_number] => 06077039 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-06-20 [patent_title] => 'Electric fan having an attracting illumination and shock device' [patent_app_type] => 1 [patent_app_number] => 9/114703 [patent_app_country] => US [patent_app_date] => 1998-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 606 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/077/06077039.pdf [firstpage_image] =>[orig_patent_app_number] => 114703 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/114703
Electric fan having an attracting illumination and shock device Jul 12, 1998 Issued
Array ( [id] => 4061730 [patent_doc_number] => 06068445 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-30 [patent_title] => 'Cooling system for the leading-edge region of a hollow gas-turbine blade' [patent_app_type] => 1 [patent_app_number] => 9/111706 [patent_app_country] => US [patent_app_date] => 1998-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2390 [patent_no_of_claims] => 9 [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/06/068/06068445.pdf [firstpage_image] =>[orig_patent_app_number] => 111706 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/111706
Cooling system for the leading-edge region of a hollow gas-turbine blade Jul 7, 1998 Issued
Array ( [id] => 4176263 [patent_doc_number] => 06092988 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-25 [patent_title] => 'Centrifugal blower assembly with a pre-swirler for an automotive vehicle' [patent_app_type] => 1 [patent_app_number] => 9/110275 [patent_app_country] => US [patent_app_date] => 1998-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 11 [patent_no_of_words] => 2877 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/092/06092988.pdf [firstpage_image] =>[orig_patent_app_number] => 110275 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/110275
Centrifugal blower assembly with a pre-swirler for an automotive vehicle Jul 5, 1998 Issued
Array ( [id] => 4090519 [patent_doc_number] => 06065929 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-23 [patent_title] => 'Inducer equipment for a pump having large induction capacity' [patent_app_type] => 1 [patent_app_number] => 9/109974 [patent_app_country] => US [patent_app_date] => 1998-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 3487 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/065/06065929.pdf [firstpage_image] =>[orig_patent_app_number] => 109974 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/109974
Inducer equipment for a pump having large induction capacity Jul 1, 1998 Issued
Array ( [id] => 4165979 [patent_doc_number] => 06036433 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-14 [patent_title] => 'Method of balancing thrust loads in steam turbines' [patent_app_type] => 1 [patent_app_number] => 9/106442 [patent_app_country] => US [patent_app_date] => 1998-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1456 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/036/06036433.pdf [firstpage_image] =>[orig_patent_app_number] => 106442 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/106442
Method of balancing thrust loads in steam turbines Jun 28, 1998 Issued
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