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Class Information
Number: D15/21
Name: Machines not elsewhere specified > Agricultural or construction machinery > Drilling, mining, or soil treatment (includes element)
Description:










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
D703698 Lower set insert with a lower ball seat for a downhole plug Apr. 29, 2014
D700920 Portion of a hammer Mar. 11, 2014
D699267 Downhole tractor wheel Feb. 11, 2014
D699268 Core bit cleaner Feb. 11, 2014
D698370 Lower set caged ball insert for a downhole plug Jan. 28, 2014
D697088 Lower set insert for a downhole plug for use in a wellbore Jan. 7, 2014
D694280 Configurable insert for a downhole plug Nov. 26, 2013
D694281 Lower set insert with a lower ball seat for a downhole plug Nov. 26, 2013
D694282 Lower set insert for a downhole plug for use in a wellbore Nov. 26, 2013
D689909 Dump truck Sep. 17, 2013
D687861 Filter media retainer Aug. 13, 2013
D687862 Latch body Aug. 13, 2013
D687863 Latch body Aug. 13, 2013
D687864 Latch body Aug. 13, 2013
D684597 Granular filter media retainer Jun. 18, 2013
D676877 Tube loader Feb. 26, 2013
D676464 Casing centralizer having straight blades Feb. 19, 2013
D674817 Casing centralizer Jan. 22, 2013
D674818 Casing centralizer Jan. 22, 2013
D673183 Compact composite downhole plug Dec. 25, 2012
D673182 Long range composite downhole plug Dec. 25, 2012
D671960 Centraliser Dec. 4, 2012
D671146 Core tray Nov. 20, 2012
D667848 Control panel for machine tools Sep. 25, 2012
D665824 Casing centralizer Aug. 21, 2012
D665825 Casing centralizer Aug. 21, 2012
D664566 Core barrel retracting case Jul. 31, 2012
D664567 Core barrel latch body Jul. 31, 2012
D664568 Casing centralizer Jul. 31, 2012
D663749 Mineral mining pan assembly Jul. 17, 2012
D663750 Casing centralizer Jul. 17, 2012
D662952 Centraliser Jul. 3, 2012
D654096 Mining tray Feb. 14, 2012
D653679 Hoist link Feb. 7, 2012
D651219 Excavator rigging socket Dec. 27, 2011
D650395 Ultra light mini dredge Dec. 13, 2011
D649562 Truck body tray canopy Nov. 29, 2011
D649167 Core barrel head assembly with tapered design Nov. 22, 2011
D649168 Tray Nov. 22, 2011
D649169 Tray frame Nov. 22, 2011
D647539 Adapter assembly Oct. 25, 2011
D647540 Core barrel sleeve with axial grooves Oct. 25, 2011
D645884 Link for a dragline assembly Sep. 27, 2011
D644668 Core barrel head assembly with axial groove Sep. 6, 2011
D643859 Core barrel assembly with tapered design Aug. 23, 2011
D643443 Core barrel latch body with axial grooves Aug. 16, 2011
D642204 Point tool for a demolition hammer Jul. 26, 2011
D640292 Micro-trenching blade Jun. 21, 2011
D640291 Conical cutting element Jun. 21, 2011
D640290 Micro-trenching blade Jun. 21, 2011

1 2 3 4










 
 
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