Search

Leonard E. Smith

Examiner (ID: 13908)

Most Active Art Unit
3403
Art Unit(s)
2899, 3403, 3502, 3402
Total Applications
1086
Issued Applications
977
Pending Applications
2
Abandoned Applications
107

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2037871 [patent_doc_number] => 04417624 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-11-29 [patent_title] => 'Method and apparatus for controlling the flow of fluids from an open well bore' [patent_app_type] => 1 [patent_app_number] => 6/225276 [patent_app_country] => US [patent_app_date] => 1981-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1755 [patent_no_of_claims] => 9 [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/04/417/04417624.pdf [firstpage_image] =>[orig_patent_app_number] => 225276 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/225276
Method and apparatus for controlling the flow of fluids from an open well bore Jan 14, 1981 Issued
Array ( [id] => 1958017 [patent_doc_number] => 04357992 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-09 [patent_title] => 'Fluid pressurization apparatus and technique' [patent_app_type] => 1 [patent_app_number] => 6/224637 [patent_app_country] => US [patent_app_date] => 1981-01-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 6941 [patent_no_of_claims] => 36 [patent_no_of_ind_claims] => 16 [patent_words_short_claim] => 289 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/357/04357992.pdf [firstpage_image] =>[orig_patent_app_number] => 224637 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/224637
Fluid pressurization apparatus and technique Jan 11, 1981 Issued
Array ( [id] => 2095397 [patent_doc_number] => 04428441 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-01-31 [patent_title] => 'Method and apparatus for reducing the differential pressure sticking tendency of a drill string' [patent_app_type] => 1 [patent_app_number] => 6/223464 [patent_app_country] => US [patent_app_date] => 1981-01-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 5752 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/428/04428441.pdf [firstpage_image] =>[orig_patent_app_number] => 223464 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/223464
Method and apparatus for reducing the differential pressure sticking tendency of a drill string Jan 7, 1981 Issued
Array ( [id] => 2003701 [patent_doc_number] => 04398603 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-16 [patent_title] => 'Steam generation from low quality feedwater' [patent_app_type] => 1 [patent_app_number] => 6/223172 [patent_app_country] => US [patent_app_date] => 1981-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 3067 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/398/04398603.pdf [firstpage_image] =>[orig_patent_app_number] => 223172 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/223172
Steam generation from low quality feedwater Jan 6, 1981 Issued
Array ( [id] => 2036581 [patent_doc_number] => 04385661 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-05-31 [patent_title] => 'Downhole steam generator with improved preheating, combustion and protection features' [patent_app_type] => 1 [patent_app_number] => 6/222855 [patent_app_country] => US [patent_app_date] => 1981-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4450 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 120 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/385/04385661.pdf [firstpage_image] =>[orig_patent_app_number] => 222855 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/222855
Downhole steam generator with improved preheating, combustion and protection features Jan 6, 1981 Issued
Array ( [id] => 2046908 [patent_doc_number] => 04390062 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-06-28 [patent_title] => 'Downhole steam generator using low pressure fuel and air supply' [patent_app_type] => 1 [patent_app_number] => 6/222863 [patent_app_country] => US [patent_app_date] => 1981-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 3438 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/390/04390062.pdf [firstpage_image] =>[orig_patent_app_number] => 222863 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/222863
Downhole steam generator using low pressure fuel and air supply Jan 6, 1981 Issued
Array ( [id] => 2080373 [patent_doc_number] => 04434861 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-03-06 [patent_title] => 'Dust conveying and collecting system and method' [patent_app_type] => 1 [patent_app_number] => 6/223036 [patent_app_country] => US [patent_app_date] => 1981-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 17326 [patent_no_of_claims] => 54 [patent_no_of_ind_claims] => 20 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/434/04434861.pdf [firstpage_image] =>[orig_patent_app_number] => 223036 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/223036
Dust conveying and collecting system and method Jan 6, 1981 Issued
Array ( [id] => 2020528 [patent_doc_number] => 04380267 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-04-19 [patent_title] => 'Downhole steam generator having a downhole oxidant compressor' [patent_app_type] => 1 [patent_app_number] => 6/222854 [patent_app_country] => US [patent_app_date] => 1981-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4799 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/380/04380267.pdf [firstpage_image] =>[orig_patent_app_number] => 222854 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/222854
Downhole steam generator having a downhole oxidant compressor Jan 6, 1981 Issued
Array ( [id] => 1983181 [patent_doc_number] => 04356866 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-02 [patent_title] => 'Process of underground coal gasification' [patent_app_type] => 1 [patent_app_number] => 6/221725 [patent_app_country] => US [patent_app_date] => 1980-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2354 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/356/04356866.pdf [firstpage_image] =>[orig_patent_app_number] => 221725 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/221725
Process of underground coal gasification Dec 30, 1980 Issued
Array ( [id] => 2046898 [patent_doc_number] => 04390061 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-06-28 [patent_title] => 'Apparatus for production of liquid from wells' [patent_app_type] => 1 [patent_app_number] => 6/221534 [patent_app_country] => US [patent_app_date] => 1980-12-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 12 [patent_no_of_words] => 5648 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 313 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/390/04390061.pdf [firstpage_image] =>[orig_patent_app_number] => 221534 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/221534
Apparatus for production of liquid from wells Dec 30, 1980 Issued
Array ( [id] => 2045121 [patent_doc_number] => 04378845 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-04-05 [patent_title] => 'Sand control method employing special hydraulic fracturing technique' [patent_app_type] => 1 [patent_app_number] => 6/221478 [patent_app_country] => US [patent_app_date] => 1980-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2956 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 236 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/378/04378845.pdf [firstpage_image] =>[orig_patent_app_number] => 221478 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/221478
Sand control method employing special hydraulic fracturing technique Dec 29, 1980 Issued
Array ( [id] => 2000201 [patent_doc_number] => 04401163 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-30 [patent_title] => 'Modified in situ retorting of oil shale' [patent_app_type] => 1 [patent_app_number] => 6/220645 [patent_app_country] => US [patent_app_date] => 1980-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 18 [patent_no_of_words] => 8930 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/401/04401163.pdf [firstpage_image] =>[orig_patent_app_number] => 220645 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/220645
Modified in situ retorting of oil shale Dec 28, 1980 Issued
Array ( [id] => 2016191 [patent_doc_number] => 04369841 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-01-25 [patent_title] => 'Method for igniting an in situ oil shale retort' [patent_app_type] => 1 [patent_app_number] => 6/220850 [patent_app_country] => US [patent_app_date] => 1980-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 6384 [patent_no_of_claims] => 60 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/369/04369841.pdf [firstpage_image] =>[orig_patent_app_number] => 220850 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/220850
Method for igniting an in situ oil shale retort Dec 28, 1980 Issued
Array ( [id] => 2002665 [patent_doc_number] => 04367794 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-01-11 [patent_title] => 'Acoustically actuated downhole blowout preventer' [patent_app_type] => 1 [patent_app_number] => 6/219631 [patent_app_country] => US [patent_app_date] => 1980-12-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 6073 [patent_no_of_claims] => 72 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/367/04367794.pdf [firstpage_image] =>[orig_patent_app_number] => 219631 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/219631
Acoustically actuated downhole blowout preventer Dec 23, 1980 Issued
Array ( [id] => 1992526 [patent_doc_number] => 04373582 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-02-15 [patent_title] => 'Acoustically controlled electro-mechanical circulation sub' [patent_app_type] => 1 [patent_app_number] => 6/218602 [patent_app_country] => US [patent_app_date] => 1980-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 11 [patent_no_of_words] => 5421 [patent_no_of_claims] => 53 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/373/04373582.pdf [firstpage_image] =>[orig_patent_app_number] => 218602 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/218602
Acoustically controlled electro-mechanical circulation sub Dec 21, 1980 Issued
Array ( [id] => 2011874 [patent_doc_number] => 04375835 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-03-08 [patent_title] => 'Oil production system' [patent_app_type] => 1 [patent_app_number] => 6/218420 [patent_app_country] => US [patent_app_date] => 1980-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 1923 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/375/04375835.pdf [firstpage_image] =>[orig_patent_app_number] => 218420 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/218420
Oil production system Dec 18, 1980 Issued
Array ( [id] => 2079953 [patent_doc_number] => 04437518 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-03-20 [patent_title] => 'Apparatus and method for improving the productivity of an oil well' [patent_app_type] => 1 [patent_app_number] => 6/218294 [patent_app_country] => US [patent_app_date] => 1980-12-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 2206 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 56 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/437/04437518.pdf [firstpage_image] =>[orig_patent_app_number] => 218294 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/218294
Apparatus and method for improving the productivity of an oil well Dec 18, 1980 Issued
Array ( [id] => 1990101 [patent_doc_number] => 04344484 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-08-17 [patent_title] => 'Determining the locus of a processing zone in an in situ oil shale retort through a well in the formation adjacent the retort' [patent_app_type] => 1 [patent_app_number] => 6/217992 [patent_app_country] => US [patent_app_date] => 1980-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 7922 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/344/04344484.pdf [firstpage_image] =>[orig_patent_app_number] => 217992 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/217992
Determining the locus of a processing zone in an in situ oil shale retort through a well in the formation adjacent the retort Dec 17, 1980 Issued
Array ( [id] => 1972207 [patent_doc_number] => 04364431 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-12-21 [patent_title] => 'Method for recovering oil from an underground formation' [patent_app_type] => 1 [patent_app_number] => 6/217445 [patent_app_country] => US [patent_app_date] => 1980-12-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 3411 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 218 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/364/04364431.pdf [firstpage_image] =>[orig_patent_app_number] => 217445 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/217445
Method for recovering oil from an underground formation Dec 16, 1980 Issued
Array ( [id] => 2012806 [patent_doc_number] => 04371037 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-02-01 [patent_title] => 'Transfer terminal for offshore production' [patent_app_type] => 1 [patent_app_number] => 6/216452 [patent_app_country] => US [patent_app_date] => 1980-12-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 2559 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 197 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/371/04371037.pdf [firstpage_image] =>[orig_patent_app_number] => 216452 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/216452
Transfer terminal for offshore production Dec 14, 1980 Issued
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