
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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 |