Search

Deepak R. Rao

Examiner (ID: 15330, Phone: (571)272-0672 , Office: P/1624 )

Most Active Art Unit
1624
Art Unit(s)
1624, 1202, 1611
Total Applications
3005
Issued Applications
2150
Pending Applications
168
Abandoned Applications
701

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2079364 [patent_doc_number] => 04434757 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-03-06 [patent_title] => 'Rotary piston internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 6/185408 [patent_app_country] => US [patent_app_date] => 1980-09-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 10 [patent_no_of_words] => 2988 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 169 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/434/04434757.pdf [firstpage_image] =>[orig_patent_app_number] => 185408 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/185408
Rotary piston internal combustion engine Sep 8, 1980 Issued
06/184687 COMBUSTION ENGINE WITH SEPARATION FUEL CLEANING COMBUSTION CHAMBER Sep 7, 1980 Abandoned
Array ( [id] => 1935122 [patent_doc_number] => 04321897 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-03-30 [patent_title] => 'Internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 6/180309 [patent_app_country] => US [patent_app_date] => 1980-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 21 [patent_no_of_words] => 9192 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 913 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/321/04321897.pdf [firstpage_image] =>[orig_patent_app_number] => 180309 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/180309
Internal combustion engine Aug 21, 1980 Issued
Array ( [id] => 2074904 [patent_doc_number] => 04449371 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-05-22 [patent_title] => 'Air by-pass system in an internal combustion engine with a supercharger' [patent_app_type] => 1 [patent_app_number] => 6/180421 [patent_app_country] => US [patent_app_date] => 1980-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1268 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 172 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/449/04449371.pdf [firstpage_image] =>[orig_patent_app_number] => 180421 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/180421
Air by-pass system in an internal combustion engine with a supercharger Aug 21, 1980 Issued
Array ( [id] => 1971193 [patent_doc_number] => 04353331 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-10-12 [patent_title] => 'Dual-expansion internal combustion engine utilizing an oscillating piston inside an oscillating piston' [patent_app_type] => 1 [patent_app_number] => 6/180134 [patent_app_country] => US [patent_app_date] => 1980-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 6084 [patent_no_of_claims] => 22 [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/04/353/04353331.pdf [firstpage_image] =>[orig_patent_app_number] => 180134 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/180134
Dual-expansion internal combustion engine utilizing an oscillating piston inside an oscillating piston Aug 20, 1980 Issued
Array ( [id] => 2090235 [patent_doc_number] => 04443153 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-04-17 [patent_title] => 'Controlled exhaust-type supercharger turbine' [patent_app_type] => 1 [patent_app_number] => 6/180067 [patent_app_country] => US [patent_app_date] => 1980-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 2118 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/443/04443153.pdf [firstpage_image] =>[orig_patent_app_number] => 180067 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/180067
Controlled exhaust-type supercharger turbine Aug 20, 1980 Issued
Array ( [id] => 1990461 [patent_doc_number] => 04373337 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-02-15 [patent_title] => 'Turbocharged internal combustion engine with spark ignition' [patent_app_type] => 1 [patent_app_number] => 6/179258 [patent_app_country] => US [patent_app_date] => 1980-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 1952 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/373/04373337.pdf [firstpage_image] =>[orig_patent_app_number] => 179258 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/179258
Turbocharged internal combustion engine with spark ignition Aug 17, 1980 Issued
06/179664 ROTARY INTERNAL COMBUSTION ENGINE Aug 17, 1980 Abandoned
Array ( [id] => 2014283 [patent_doc_number] => 04369628 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-01-25 [patent_title] => 'Method and apparatus for improving the firedamp safety of an internal combustion engine for underground operation' [patent_app_type] => 1 [patent_app_number] => 6/177820 [patent_app_country] => US [patent_app_date] => 1980-08-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3549 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/369/04369628.pdf [firstpage_image] =>[orig_patent_app_number] => 177820 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/177820
Method and apparatus for improving the firedamp safety of an internal combustion engine for underground operation Aug 12, 1980 Issued
Array ( [id] => 2002908 [patent_doc_number] => 04398512 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-16 [patent_title] => 'Internal combustion engines and rotary volumetric compressors' [patent_app_type] => 1 [patent_app_number] => 6/177101 [patent_app_country] => US [patent_app_date] => 1980-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2939 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 301 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/398/04398512.pdf [firstpage_image] =>[orig_patent_app_number] => 177101 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/177101
Internal combustion engines and rotary volumetric compressors Aug 10, 1980 Issued
Array ( [id] => 1998128 [patent_doc_number] => 04400945 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-30 [patent_title] => 'Supercharged reciprocating internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 6/176206 [patent_app_country] => US [patent_app_date] => 1980-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2969 [patent_no_of_claims] => 34 [patent_no_of_ind_claims] => 18 [patent_words_short_claim] => 36 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/400/04400945.pdf [firstpage_image] =>[orig_patent_app_number] => 176206 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/176206
Supercharged reciprocating internal combustion engine Aug 6, 1980 Issued
Array ( [id] => 1895448 [patent_doc_number] => 04300487 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-11-17 [patent_title] => 'Rotary engine' [patent_app_type] => 1 [patent_app_number] => 6/175025 [patent_app_country] => US [patent_app_date] => 1980-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4233 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/300/04300487.pdf [firstpage_image] =>[orig_patent_app_number] => 175025 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/175025
Rotary engine Aug 3, 1980 Issued
Array ( [id] => 1999071 [patent_doc_number] => 04387571 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-06-14 [patent_title] => 'Knock control system and method for turbosupercharger installed engines' [patent_app_type] => 1 [patent_app_number] => 6/173433 [patent_app_country] => US [patent_app_date] => 1980-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 2940 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/387/04387571.pdf [firstpage_image] =>[orig_patent_app_number] => 173433 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/173433
Knock control system and method for turbosupercharger installed engines Jul 28, 1980 Issued
Array ( [id] => 2026799 [patent_doc_number] => 04422419 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-12-27 [patent_title] => 'Rotary internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 6/173494 [patent_app_country] => US [patent_app_date] => 1980-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 18 [patent_no_of_words] => 2622 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 539 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/422/04422419.pdf [firstpage_image] =>[orig_patent_app_number] => 173494 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/173494
Rotary internal combustion engine Jul 28, 1980 Issued
Array ( [id] => 1983428 [patent_doc_number] => 04359980 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-23 [patent_title] => 'Rotating piston engine with constant torque arm drive of its power take-off shaft' [patent_app_type] => 1 [patent_app_number] => 6/171396 [patent_app_country] => US [patent_app_date] => 1980-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 48 [patent_no_of_words] => 17414 [patent_no_of_claims] => 43 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 369 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/359/04359980.pdf [firstpage_image] =>[orig_patent_app_number] => 171396 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/171396
Rotating piston engine with constant torque arm drive of its power take-off shaft Jul 22, 1980 Issued
Array ( [id] => 1979542 [patent_doc_number] => 04363214 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-12-14 [patent_title] => 'Turbo-lubrication system' [patent_app_type] => 1 [patent_app_number] => 6/166244 [patent_app_country] => US [patent_app_date] => 1980-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2290 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/363/04363214.pdf [firstpage_image] =>[orig_patent_app_number] => 166244 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/166244
Turbo-lubrication system Jul 6, 1980 Issued
Array ( [id] => 1860501 [patent_doc_number] => 04269158 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-05-26 [patent_title] => 'Intercooler for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 6/166043 [patent_app_country] => US [patent_app_date] => 1980-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2056 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/269/04269158.pdf [firstpage_image] =>[orig_patent_app_number] => 166043 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/166043
Intercooler for internal combustion engine Jul 6, 1980 Issued
06/160628 INTERNAL COMBUSTION ROTARY POWER PLANT SYSTEM Jun 17, 1980 Abandoned
Array ( [id] => 1929447 [patent_doc_number] => 04346559 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-08-31 [patent_title] => 'Bypass control apparatus for turbocharged internal-combustion engines' [patent_app_type] => 1 [patent_app_number] => 6/159607 [patent_app_country] => US [patent_app_date] => 1980-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1492 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/346/04346559.pdf [firstpage_image] =>[orig_patent_app_number] => 159607 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/159607
Bypass control apparatus for turbocharged internal-combustion engines Jun 15, 1980 Issued
Array ( [id] => 2014274 [patent_doc_number] => 04369627 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-01-25 [patent_title] => 'Internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 6/160004 [patent_app_country] => US [patent_app_date] => 1980-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 14 [patent_no_of_words] => 3008 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/369/04369627.pdf [firstpage_image] =>[orig_patent_app_number] => 160004 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/160004
Internal combustion engine Jun 15, 1980 Issued
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