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
07/591200 EXCORE POWER LEVEL DETECTOR ASSEMBLY FOR NEUTRON FLUX MONITORING SYSTEM Sep 30, 1990 Abandoned
Array ( [id] => 3069499 [patent_doc_number] => 05360673 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-11-01 [patent_title] => 'Semifinished product for electric contacts made of a composite material based on silver-tin oxide and powdermetallurgical process of making said product' [patent_app_type] => 1 [patent_app_number] => 7/549015 [patent_app_country] => US [patent_app_date] => 1990-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3652 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/360/05360673.pdf [firstpage_image] =>[orig_patent_app_number] => 549015 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/549015
Semifinished product for electric contacts made of a composite material based on silver-tin oxide and powdermetallurgical process of making said product Sep 16, 1990 Issued
Array ( [id] => 2687124 [patent_doc_number] => 05064476 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-12 [patent_title] => 'Thermoelectric cooler and fabrication method' [patent_app_type] => 1 [patent_app_number] => 7/583157 [patent_app_country] => US [patent_app_date] => 1990-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 2361 [patent_no_of_claims] => 15 [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/05/064/05064476.pdf [firstpage_image] =>[orig_patent_app_number] => 583157 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/583157
Thermoelectric cooler and fabrication method Sep 16, 1990 Issued
Array ( [id] => 3493862 [patent_doc_number] => 05508239 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-16 [patent_title] => 'High strength aluminum nitride fibers and composites and processes for the preparation thereof' [patent_app_type] => 1 [patent_app_number] => 7/578408 [patent_app_country] => US [patent_app_date] => 1990-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2889 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/508/05508239.pdf [firstpage_image] =>[orig_patent_app_number] => 578408 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/578408
High strength aluminum nitride fibers and composites and processes for the preparation thereof Sep 6, 1990 Issued
07/575057 CASELESS UNITIZED AMMUNITION CHARGE MODULE Aug 29, 1990 Abandoned
Array ( [id] => 2713760 [patent_doc_number] => 05031540 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-16 [patent_title] => 'Apparatus for severing tubular members' [patent_app_type] => 1 [patent_app_number] => 7/574207 [patent_app_country] => US [patent_app_date] => 1990-08-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2896 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 293 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/031/05031540.pdf [firstpage_image] =>[orig_patent_app_number] => 574207 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/574207
Apparatus for severing tubular members Aug 27, 1990 Issued
Array ( [id] => 2674614 [patent_doc_number] => 05066337 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-11-19 [patent_title] => 'Thermal power transfer system using applied potential difference to sustain operating pressure difference' [patent_app_type] => 1 [patent_app_number] => 7/568130 [patent_app_country] => US [patent_app_date] => 1990-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2432 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/066/05066337.pdf [firstpage_image] =>[orig_patent_app_number] => 568130 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/568130
Thermal power transfer system using applied potential difference to sustain operating pressure difference Aug 15, 1990 Issued
Array ( [id] => 2717465 [patent_doc_number] => 05057161 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-15 [patent_title] => 'P-type Fe silicide thermoelectric conversion material' [patent_app_type] => 1 [patent_app_number] => 7/563291 [patent_app_country] => US [patent_app_date] => 1990-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3085 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 28 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/057/05057161.pdf [firstpage_image] =>[orig_patent_app_number] => 563291 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/563291
P-type Fe silicide thermoelectric conversion material Aug 5, 1990 Issued
Array ( [id] => 2799830 [patent_doc_number] => 05114665 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-19 [patent_title] => 'Autonormalizing reactimeter' [patent_app_type] => 1 [patent_app_number] => 7/557892 [patent_app_country] => US [patent_app_date] => 1990-07-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1125 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/114/05114665.pdf [firstpage_image] =>[orig_patent_app_number] => 557892 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/557892
Autonormalizing reactimeter Jul 24, 1990 Issued
Array ( [id] => 2776207 [patent_doc_number] => 05087312 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-11 [patent_title] => 'Thermopile having reduced thermal noise' [patent_app_type] => 1 [patent_app_number] => 7/551545 [patent_app_country] => US [patent_app_date] => 1990-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 10 [patent_no_of_words] => 2326 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/087/05087312.pdf [firstpage_image] =>[orig_patent_app_number] => 551545 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/551545
Thermopile having reduced thermal noise Jul 10, 1990 Issued
Array ( [id] => 2707024 [patent_doc_number] => 05009717 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-04-23 [patent_title] => 'Thermoelectric element and method of manufacturing same' [patent_app_type] => 1 [patent_app_number] => 7/550879 [patent_app_country] => US [patent_app_date] => 1990-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 8 [patent_no_of_words] => 3455 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/009/05009717.pdf [firstpage_image] =>[orig_patent_app_number] => 550879 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/550879
Thermoelectric element and method of manufacturing same Jul 10, 1990 Issued
Array ( [id] => 2802440 [patent_doc_number] => H0001115 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-12-01 [patent_title] => 'Robot arm apparatus' [patent_app_type] => 7 [patent_app_number] => 7/546827 [patent_app_country] => US [patent_app_date] => 1990-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 4106 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 262 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/H0/001/H0001115.pdf [firstpage_image] =>[orig_patent_app_number] => 546827 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/546827
Robot arm apparatus Jul 1, 1990 Issued
Array ( [id] => 2742126 [patent_doc_number] => 05037488 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-06 [patent_title] => 'Temperature sensor construction' [patent_app_type] => 1 [patent_app_number] => 7/545369 [patent_app_country] => US [patent_app_date] => 1990-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1390 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/037/05037488.pdf [firstpage_image] =>[orig_patent_app_number] => 545369 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/545369
Temperature sensor construction Jun 27, 1990 Issued
Array ( [id] => 2730194 [patent_doc_number] => 05076998 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-31 [patent_title] => 'Monitoring of low frequency pulse rate' [patent_app_type] => 1 [patent_app_number] => 7/541430 [patent_app_country] => US [patent_app_date] => 1990-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1686 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/076/05076998.pdf [firstpage_image] =>[orig_patent_app_number] => 541430 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/541430
Monitoring of low frequency pulse rate Jun 20, 1990 Issued
Array ( [id] => 2730177 [patent_doc_number] => 05076997 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-31 [patent_title] => 'Pellet transfer apparatus and method' [patent_app_type] => 1 [patent_app_number] => 7/536926 [patent_app_country] => US [patent_app_date] => 1990-06-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 23 [patent_no_of_words] => 6132 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 354 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/076/05076997.pdf [firstpage_image] =>[orig_patent_app_number] => 536926 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/536926
Pellet transfer apparatus and method Jun 11, 1990 Issued
Array ( [id] => 2658754 [patent_doc_number] => 05044280 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-03 [patent_title] => 'Linear hollow charge devices' [patent_app_type] => 1 [patent_app_number] => 7/476395 [patent_app_country] => US [patent_app_date] => 1990-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3915 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/044/05044280.pdf [firstpage_image] =>[orig_patent_app_number] => 476395 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/476395
Linear hollow charge devices Jun 4, 1990 Issued
07/527927 INCORE HOUSING EXAMINATION SYSTEM May 23, 1990 Abandoned
Array ( [id] => 2853598 [patent_doc_number] => 05084218 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-01-28 [patent_title] => 'Spheronizing process' [patent_app_type] => 1 [patent_app_number] => 7/528150 [patent_app_country] => US [patent_app_date] => 1990-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 3543 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/084/05084218.pdf [firstpage_image] =>[orig_patent_app_number] => 528150 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/528150
Spheronizing process May 23, 1990 Issued
Array ( [id] => 2758098 [patent_doc_number] => 04994212 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-19 [patent_title] => 'Process for manufacturing a gas generating material' [patent_app_type] => 1 [patent_app_number] => 7/528144 [patent_app_country] => US [patent_app_date] => 1990-05-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 9017 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 61 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/994/04994212.pdf [firstpage_image] =>[orig_patent_app_number] => 528144 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/528144
Process for manufacturing a gas generating material May 23, 1990 Issued
Array ( [id] => 2852640 [patent_doc_number] => 05090324 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-25 [patent_title] => 'Warhead' [patent_app_type] => 1 [patent_app_number] => 7/466324 [patent_app_country] => US [patent_app_date] => 1990-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 1072 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/090/05090324.pdf [firstpage_image] =>[orig_patent_app_number] => 466324 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/466324
Warhead May 6, 1990 Issued
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