Search

Calvin B Trowell

Examiner (ID: 8727)

Most Active Art Unit
2193
Art Unit(s)
2193
Total Applications
1
Issued Applications
1
Pending Applications
0
Abandoned Applications
0

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16713704 [patent_doc_number] => 20210080851 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/016759 [patent_app_country] => US [patent_app_date] => 2020-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9012 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17016759 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/016759
IMAGE FORMING APPARATUS Sep 9, 2020 Abandoned
Array ( [id] => 17194495 [patent_doc_number] => 11163246 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-11-02 [patent_title] => Developing device including a conveyor with a space between blades and image forming apparatus including same [patent_app_type] => utility [patent_app_number] => 17/016389 [patent_app_country] => US [patent_app_date] => 2020-09-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 5430 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 259 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17016389 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/016389
Developing device including a conveyor with a space between blades and image forming apparatus including same Sep 9, 2020 Issued
Array ( [id] => 16690184 [patent_doc_number] => 20210072662 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 17/011822 [patent_app_country] => US [patent_app_date] => 2020-09-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15803 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 300 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17011822 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/011822
Image forming apparatus that controls transfer current in a case in which a second toner image is transferred to a same recording material as a first toner image Sep 2, 2020 Issued
Array ( [id] => 16690202 [patent_doc_number] => 20210072680 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-11 [patent_title] => IMAGE FORMING APPARATUS INCLUDING A PLURALITY OF HEAT GENERATING ELEMENTS [patent_app_type] => utility [patent_app_number] => 17/007259 [patent_app_country] => US [patent_app_date] => 2020-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12999 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17007259 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/007259
Image forming apparatus including a plurality of heat generating elements Aug 30, 2020 Issued
Array ( [id] => 17394473 [patent_doc_number] => 11243485 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-02-08 [patent_title] => Image forming apparatus configured to control the voltage applied to the transfer member to suppress image defects [patent_app_type] => utility [patent_app_number] => 17/005160 [patent_app_country] => US [patent_app_date] => 2020-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 12 [patent_no_of_words] => 14818 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 515 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17005160 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/005160
Image forming apparatus configured to control the voltage applied to the transfer member to suppress image defects Aug 26, 2020 Issued
Array ( [id] => 18957045 [patent_doc_number] => 20240045372 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-08 [patent_title] => IMAGING SYSTEM WITH AIR PASSAGE FOR DEVELOPMENT CHAMBER [patent_app_type] => utility [patent_app_number] => 17/641979 [patent_app_country] => US [patent_app_date] => 2020-08-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11809 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17641979 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/641979
IMAGING SYSTEM WITH AIR PASSAGE FOR DEVELOPMENT CHAMBER Aug 26, 2020 Pending
Array ( [id] => 17824106 [patent_doc_number] => 11429054 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-30 [patent_title] => Image forming apparatus with improved design to prevent erroneous detection and method for preventing erroneous detection of abnormality in image forming apparatus [patent_app_type] => utility [patent_app_number] => 17/003015 [patent_app_country] => US [patent_app_date] => 2020-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 15 [patent_no_of_words] => 6656 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 225 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17003015 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/003015
Image forming apparatus with improved design to prevent erroneous detection and method for preventing erroneous detection of abnormality in image forming apparatus Aug 25, 2020 Issued
Array ( [id] => 17308654 [patent_doc_number] => 11209759 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-12-28 [patent_title] => Image forming apparatus that disconnects a power supply upon detecting overheating [patent_app_type] => utility [patent_app_number] => 17/003070 [patent_app_country] => US [patent_app_date] => 2020-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 12965 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17003070 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/003070
Image forming apparatus that disconnects a power supply upon detecting overheating Aug 25, 2020 Issued
Array ( [id] => 17491838 [patent_doc_number] => 11281137 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-22 [patent_title] => Heating unit with heating elements at different positions and image processing apparatus with heating unit [patent_app_type] => utility [patent_app_number] => 16/991928 [patent_app_country] => US [patent_app_date] => 2020-08-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10773 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 352 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16991928 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/991928
Heating unit with heating elements at different positions and image processing apparatus with heating unit Aug 11, 2020 Issued
Array ( [id] => 16675158 [patent_doc_number] => 20210063922 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 16/985385 [patent_app_country] => US [patent_app_date] => 2020-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 17631 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16985385 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/985385
Image forming apparatus that can form a nip image corresponding to a fixing nip shape Aug 4, 2020 Issued
Array ( [id] => 17128115 [patent_doc_number] => 20210302884 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-30 [patent_title] => IMAGE FORMING APPARATUS AND NON-TRANSITORY COMPUTER READABLE MEDIUM [patent_app_type] => utility [patent_app_number] => 16/985702 [patent_app_country] => US [patent_app_date] => 2020-08-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6730 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16985702 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/985702
Image forming apparatus and non-transitory computer readable medium Aug 4, 2020 Issued
Array ( [id] => 17068971 [patent_doc_number] => 20210271187 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-09-02 [patent_title] => DEVELOPING DEVICE AND IMAGE FORMING APPARATUS HAVING A HOUSING INCLUDING A METAL PORTION [patent_app_type] => utility [patent_app_number] => 16/943500 [patent_app_country] => US [patent_app_date] => 2020-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6740 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16943500 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/943500
Developing device and image forming apparatus having housing including a metal portion Jul 29, 2020 Issued
Array ( [id] => 16615348 [patent_doc_number] => 20210034001 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM [patent_app_type] => utility [patent_app_number] => 16/943200 [patent_app_country] => US [patent_app_date] => 2020-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9619 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 266 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16943200 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/943200
Image forming apparatus and image forming system that set conveying speed based on a number of small sheets to be used or a print operation history Jul 29, 2020 Issued
Array ( [id] => 17016612 [patent_doc_number] => 11086248 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-08-10 [patent_title] => Image forming apparatus with fan configured for dust-resistant cooling of optical scanning unit [patent_app_type] => utility [patent_app_number] => 16/939615 [patent_app_country] => US [patent_app_date] => 2020-07-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 17 [patent_no_of_words] => 10325 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 250 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16939615 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/939615
Image forming apparatus with fan configured for dust-resistant cooling of optical scanning unit Jul 26, 2020 Issued
Array ( [id] => 16675145 [patent_doc_number] => 20210063909 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD [patent_app_type] => utility [patent_app_number] => 16/935392 [patent_app_country] => US [patent_app_date] => 2020-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12315 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16935392 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/935392
Image forming apparatus and image forming method for correcting a position of a target image Jul 21, 2020 Issued
Array ( [id] => 16971961 [patent_doc_number] => 11067931 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-20 [patent_title] => Image forming apparatus and system that reduce defects caused by residual toner [patent_app_type] => utility [patent_app_number] => 16/935264 [patent_app_country] => US [patent_app_date] => 2020-07-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 10967 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16935264 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/935264
Image forming apparatus and system that reduce defects caused by residual toner Jul 21, 2020 Issued
Array ( [id] => 16683008 [patent_doc_number] => 10942482 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-03-09 [patent_title] => Method for manufacturing blade for electrophotographic devices [patent_app_type] => utility [patent_app_number] => 16/923119 [patent_app_country] => US [patent_app_date] => 2020-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 8137 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 403 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16923119 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/923119
Method for manufacturing blade for electrophotographic devices Jul 7, 2020 Issued
Array ( [id] => 17031108 [patent_doc_number] => 11092918 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2021-08-17 [patent_title] => Heating device and image forming apparatus including heat pipe having flat outer surface [patent_app_type] => utility [patent_app_number] => 16/917916 [patent_app_country] => US [patent_app_date] => 2020-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 4803 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16917916 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/917916
Heating device and image forming apparatus including heat pipe having flat outer surface Jun 30, 2020 Issued
Array ( [id] => 16615344 [patent_doc_number] => 20210033997 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-04 [patent_title] => POWDER AMOUNT DETECTOR, POWDER SUPPLY DEVICE, AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 16/914720 [patent_app_country] => US [patent_app_date] => 2020-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7152 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16914720 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/914720
Powder amount detector including a pair of measuring electrodes Jun 28, 2020 Issued
Array ( [id] => 16558802 [patent_doc_number] => 20210003951 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-07 [patent_title] => CHARGING DEVICE AND IMAGE FORMING APPARATUS [patent_app_type] => utility [patent_app_number] => 16/914893 [patent_app_country] => US [patent_app_date] => 2020-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5694 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 222 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16914893 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/914893
Charging device having cleaning roller and charging roller, and image forming apparatus including the charging device Jun 28, 2020 Issued
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