Search

Christopher M. Keehan

Examiner (ID: 15981)

Most Active Art Unit
1712
Art Unit(s)
1712, 1741
Total Applications
309
Issued Applications
251
Pending Applications
17
Abandoned Applications
41

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2687043 [patent_doc_number] => 05054397 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-08 [patent_title] => 'Parachute ejection and recovery system for rockets' [patent_app_type] => 1 [patent_app_number] => 7/517162 [patent_app_country] => US [patent_app_date] => 1990-05-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 6 [patent_no_of_words] => 1898 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/054/05054397.pdf [firstpage_image] =>[orig_patent_app_number] => 517162 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/517162
Parachute ejection and recovery system for rockets Apr 30, 1990 Issued
Array ( [id] => 2854101 [patent_doc_number] => 05149493 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-09-22 [patent_title] => 'Installation to regenerate cold traps loaded with the hydride and oxide of a liquid metal' [patent_app_type] => 1 [patent_app_number] => 7/510972 [patent_app_country] => US [patent_app_date] => 1990-04-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 3175 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/149/05149493.pdf [firstpage_image] =>[orig_patent_app_number] => 510972 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/510972
Installation to regenerate cold traps loaded with the hydride and oxide of a liquid metal Apr 18, 1990 Issued
Array ( [id] => 2808483 [patent_doc_number] => 05078954 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-07 [patent_title] => 'Method and apparatus for carrying out the in situ inspection of the shafts of pumps' [patent_app_type] => 1 [patent_app_number] => 7/511119 [patent_app_country] => US [patent_app_date] => 1990-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 27 [patent_no_of_words] => 7246 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/078/05078954.pdf [firstpage_image] =>[orig_patent_app_number] => 511119 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/511119
Method and apparatus for carrying out the in situ inspection of the shafts of pumps Apr 16, 1990 Issued
Array ( [id] => 2662684 [patent_doc_number] => 05069726 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-03 [patent_title] => 'Ceramic coated wires and thermocouples' [patent_app_type] => 1 [patent_app_number] => 7/507142 [patent_app_country] => US [patent_app_date] => 1990-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3461 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/069/05069726.pdf [firstpage_image] =>[orig_patent_app_number] => 507142 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/507142
Ceramic coated wires and thermocouples Apr 9, 1990 Issued
Array ( [id] => 2654854 [patent_doc_number] => 04978477 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-18 [patent_title] => 'Process for treatment of hazardous wastes by reverse burn gasification' [patent_app_type] => 1 [patent_app_number] => 7/502327 [patent_app_country] => US [patent_app_date] => 1990-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6305 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/978/04978477.pdf [firstpage_image] =>[orig_patent_app_number] => 502327 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/502327
Process for treatment of hazardous wastes by reverse burn gasification Mar 29, 1990 Issued
Array ( [id] => 2862831 [patent_doc_number] => 05096658 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-17 [patent_title] => 'Detector path insertion verification system' [patent_app_type] => 1 [patent_app_number] => 7/494414 [patent_app_country] => US [patent_app_date] => 1990-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 2201 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/096/05096658.pdf [firstpage_image] =>[orig_patent_app_number] => 494414 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/494414
Detector path insertion verification system Mar 15, 1990 Issued
Array ( [id] => 2844013 [patent_doc_number] => 05081930 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-21 [patent_title] => 'Gun propellant containing ammonium azide and an inert casing' [patent_app_type] => 1 [patent_app_number] => 7/492903 [patent_app_country] => US [patent_app_date] => 1990-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 13 [patent_no_of_words] => 3505 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/081/05081930.pdf [firstpage_image] =>[orig_patent_app_number] => 492903 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/492903
Gun propellant containing ammonium azide and an inert casing Mar 12, 1990 Issued
07/488169 BIMETALLIC THIMBLE TUBE Mar 4, 1990 Abandoned
07/467519 METHOD OF TREATMENT OF HIGH-LEVEL RADIOACTIVE WASTE Jan 17, 1990 Abandoned
Array ( [id] => 2584888 [patent_doc_number] => 04969956 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-13 [patent_title] => 'Transparent thin film thermocouple' [patent_app_type] => 1 [patent_app_number] => 7/452439 [patent_app_country] => US [patent_app_date] => 1989-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2277 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/969/04969956.pdf [firstpage_image] =>[orig_patent_app_number] => 452439 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/452439
Transparent thin film thermocouple Dec 18, 1989 Issued
Array ( [id] => 3008226 [patent_doc_number] => 05281487 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-01-25 [patent_title] => 'Thermally protective composite ceramic-metal coatings for high temperature use' [patent_app_type] => 1 [patent_app_number] => 7/441597 [patent_app_country] => US [patent_app_date] => 1989-11-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2126 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/281/05281487.pdf [firstpage_image] =>[orig_patent_app_number] => 441597 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/441597
Thermally protective composite ceramic-metal coatings for high temperature use Nov 26, 1989 Issued
Array ( [id] => 3011655 [patent_doc_number] => 05288336 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-02-22 [patent_title] => 'Thermoelectric energy conversion' [patent_app_type] => 1 [patent_app_number] => 7/439829 [patent_app_country] => US [patent_app_date] => 1989-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 18 [patent_no_of_words] => 8526 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/288/05288336.pdf [firstpage_image] =>[orig_patent_app_number] => 439829 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/439829
Thermoelectric energy conversion Nov 19, 1989 Issued
07/437878 HIGH PERFORMANCE THIN FILM ALKALI METAL THERMOELECTRIC DEVICE Nov 16, 1989 Abandoned
Array ( [id] => 2844404 [patent_doc_number] => 05104611 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-14 [patent_title] => 'Flow blocker for access opening' [patent_app_type] => 1 [patent_app_number] => 7/434641 [patent_app_country] => US [patent_app_date] => 1989-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1887 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 121 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/104/05104611.pdf [firstpage_image] =>[orig_patent_app_number] => 434641 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/434641
Flow blocker for access opening Nov 12, 1989 Issued
Array ( [id] => 2873871 [patent_doc_number] => 05108515 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-28 [patent_title] => 'Thermoelectric material and process for production thereof' [patent_app_type] => 1 [patent_app_number] => 7/432125 [patent_app_country] => US [patent_app_date] => 1989-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4234 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/108/05108515.pdf [firstpage_image] =>[orig_patent_app_number] => 432125 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/432125
Thermoelectric material and process for production thereof Nov 5, 1989 Issued
Array ( [id] => 2859727 [patent_doc_number] => 05107765 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-28 [patent_title] => 'Process and device for triggering an avalanche' [patent_app_type] => 1 [patent_app_number] => 7/435428 [patent_app_country] => US [patent_app_date] => 1989-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 5293 [patent_no_of_claims] => 22 [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/05/107/05107765.pdf [firstpage_image] =>[orig_patent_app_number] => 435428 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/435428
Process and device for triggering an avalanche Nov 1, 1989 Issued
Array ( [id] => 2824920 [patent_doc_number] => 05098642 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-24 [patent_title] => 'System for identification of components' [patent_app_type] => 1 [patent_app_number] => 7/408972 [patent_app_country] => US [patent_app_date] => 1989-09-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 15 [patent_no_of_words] => 6916 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/098/05098642.pdf [firstpage_image] =>[orig_patent_app_number] => 408972 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/408972
System for identification of components Sep 17, 1989 Issued
Array ( [id] => 2704634 [patent_doc_number] => 05061409 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-29 [patent_title] => 'Extrusion of impact and friction sensitive highly energetic materials' [patent_app_type] => 1 [patent_app_number] => 7/407176 [patent_app_country] => US [patent_app_date] => 1989-09-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 536 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/061/05061409.pdf [firstpage_image] =>[orig_patent_app_number] => 407176 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/407176
Extrusion of impact and friction sensitive highly energetic materials Sep 13, 1989 Issued
Array ( [id] => 2717446 [patent_doc_number] => 05057160 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-15 [patent_title] => 'Apparatus for passively releasing gases from a vessel against an adverse pressure gradient' [patent_app_type] => 1 [patent_app_number] => 7/401730 [patent_app_country] => US [patent_app_date] => 1989-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4199 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/057/05057160.pdf [firstpage_image] =>[orig_patent_app_number] => 401730 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/401730
Apparatus for passively releasing gases from a vessel against an adverse pressure gradient Aug 30, 1989 Issued
Array ( [id] => 2697956 [patent_doc_number] => 05007345 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-16 [patent_title] => 'Method and apparatus for charging waterlogged boreholes with explosives' [patent_app_type] => 1 [patent_app_number] => 7/400695 [patent_app_country] => US [patent_app_date] => 1989-08-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 2463 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/007/05007345.pdf [firstpage_image] =>[orig_patent_app_number] => 400695 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/400695
Method and apparatus for charging waterlogged boreholes with explosives Aug 29, 1989 Issued
Menu