Abstract: Tracers for oil recovery, particularly fluorescent nanotracers conservative in aqueous phases. The tracer comprises a core-shell nanoparticle tailored according to the operation to be traced. It contains a fluorescent core that allows the detection thereof in the field and a functionalized polymeric shell that provides increased stability in high salinity aqueous phases. A method for preparing said nanotracer. Given the nanotracer versatility, it can be used both for tracing fracking steps as well as meshes of secondary and tertiary recovery.

Abstract: Provided herein are fluid handling tubes having a cap that includes a sealing member having interior grooves and panels. Also provided herein are fluid handling tubes having a cap that includes (i) a sealing member having a concave surface at a distal region, and (ii) a flat proximal surface. Provided also are fluid handling tubes having a cap that includes an engagement member at an edge of the cap, where the engagement member includes a surface having curvature and a taper. Also provided herein are fluid handling tubes that include a cap comprising a tube sealing member, an anterior engagement member, and one or more channels (e.g., one or more furrows or grooves) between the sealing member and the engagement member that function as a hinge or pivot.

Abstract: Systems and methods may be provided for constructing and deconstructing encoded messages. A method for constructing an encoded message comprising: providing an unencoded message having one or more unencoded characters; identifying one or more suitable human-readable phrases indexed from one or more codebooks wherein characters from extended character sets are mapped to standard characters having similar appearances to the characters from the extended character sets to create one or more human-readable phrases; selecting a suitable human-readable phrase from the one or more codebooks; and generating an encoded message by mapping the unique and repeating characters of the unencoded messages to the extended character set provided by the selected human-readable phrase. Corresponding systems, and computer system products may be provided.

Abstract: Folding chair with armrests, type S, articulated by transversal axes to the armrests. It has a seat; a back; a horizontal base that is set on the ground; two front legs that join the front part of said seat with the horizontal base that is set to the ground; an attachment mechanism in the application position; two joining bars that articulate the armrests with the middle part of the seat and with the horizontal base that is set to the ground.

Abstract: Provided herein are fluid handling tubes having a cap that includes a sealing member having interior grooves and panels. Also provided herein are fluid handling tubes having a cap that includes (i) a sealing member having a concave surface at a distal region, and (ii) a flat proximal surface. Provided also are fluid handling tubes having a cap that includes an engagement member at an edge of the cap, where the engagement member includes a surface having curvature and a taper. Also provided herein are fluid handling tubes that include a cap comprising a tube sealing member, an anterior engagement member, and one or more channels (e.g., one or more furrows or grooves) between the sealing member and the engagement member that function as a hinge or pivot.

Abstract: Provided herein are fluid handling tubes having a cap that includes a sealing member having interior grooves and panels. Also provided herein are fluid handling tubes having a cap that includes (i) a sealing member having a concave surface at a distal region, and (ii) a flat proximal surface. Provided also are fluid handling tubes having a cap that includes an engagement member at an edge of the cap, where the engagement member includes a surface having curvature and a taper. Also provided herein are fluid handling tubes that include a cap comprising a tube sealing member, an anterior engagement member, and one or more channels (e.g., one or more furrows or grooves) between the sealing member and the engagement member that function as a hinge or pivot.

Abstract: Provided herein are fluid handling tubes having a cap that includes a sealing member having interior grooves and panels. Also provided herein are fluid handling tubes having a cap that includes (i) a sealing member having a concave surface at a distal region, and (ii) a flat proximal surface. Provided also are fluid handling tubes having a cap that includes an engagement member at an edge of the cap, where the engagement member includes a surface having curvature and a taper. Also provided herein are fluid handling tubes that include a cap comprising a tube sealing member, an anterior engagement member, and one or more channels (e.g., one or more furrows or grooves) between the sealing member and the engagement member that function as a hinge or pivot.

Abstract: Provided herein are fluid handling tubes having a cap that includes a sealing member having interior grooves and panels. Also provided herein are fluid handling tubes having a cap that includes (i) a sealing member having a concave surface at a distal region, and (ii) a flat proximal surface. Provided also are fluid handling tubes having a cap that includes an engagement member at an edge of the cap, where the engagement member includes a surface having curvature and a taper. Also provided herein are fluid handling tubes that include a cap comprising a tube sealing member, an anterior engagement member, and one or more channels (e.g., one or more furrows or grooves) between the sealing member and the engagement member that function as a hinge or pivot.

Abstract: Folding chair with armrests, type S, articulated by transversal axes to the armrests. It has a seat; a back; a horizontal base that is set on the ground; two front legs that join the front part of said seat with the horizontal base that is set to the ground; an attachment mechanism in the application position; two joining bars that articulate the armrests with the middle part of the seat and with the horizontal base that is set to the ground.

Abstract: Generally described, the present invention relates to a recurring billing/ordering application that works with an ecommerce platform to enable a merchant to sell products on a recurring basis. The recurrence application enables the merchant to create subscriptions for recurrence frequency sets and assigned products, creates recurrence rule/option sets corresponding to the frequency sets for the assigned products, collects from the ecommerce platform its assigned rule-set IDs for the frequency set, and saves the IDs and the corresponding frequency set in a database. Then upon receiving a customer order for a product with a recurrence frequency selected from a frequency set, the recurrence application collects rule-set IDs from the ecommerce platform, checks the database for any of those IDs, and upon finding a match uses the corresponding frequency for processing the recurring orders, without having to be redirected from the ecommerce platform to an external account to obtain this information.

Abstract: An example elevator brake includes a first braking member that is biased by a first spring member into engagement with a braking surface. The first braking member includes a first armature arranged to be actuated by an electromagnetic actuator to disengage the first braking member from the braking surface against the biasing force of the first spring member. A second braking member is biased by a second spring member into engagement with a braking surface. The second braking member includes a second armature arranged to be actuated by an electromagnetic actuator to disengage the second braking member against the biasing force of the second spring member. A first electromagnetic actuator actuates the first armature and a second electromagnetic actuator actuates the second armature.

Abstract: A mobile wireless communications device may include a near field communication (NFC) transceiver, a geo-position determining device, and a controller coupled with the NFC transceiver and the geo-position determining device. The controller may be configured to receive a tag geo-position from an NFC tag when in close proximity thereto via the NFC transceiver, determine the geo-position of the mobile wireless communications device using the geo-position determining device, and perform at least one device unlock operation when the tag geo-position is within a threshold distance from the mobile wireless communications device geo-position.

Abstract: Systems and methods may be provided for constructing and deconstructing encoded messages. A method for constructing an encoded message comprising: providing an unencoded message having one or more unencoded characters; identifying one or more suitable human-readable phrases indexed from one or more codebooks wherein characters from extended character sets are mapped to standard characters having similar appearances to the characters from the extended character sets to create one or more human-readable phrases; selecting a suitable human-readable phrase from the one or more codebooks; and generating an encoded message by mapping the unique and repeating characters of the unencoded messages to the extended character set provided by the selected human-readable phrase. Corresponding systems, and computer system products may be provided.

Abstract: A mobile wireless communications device may include a near field communication (NFC) transceiver, a geo-position determining device, and a controller coupled with the NFC transceiver and the geo-position determining device. The controller may be configured to receive a tag geo-position from an NFC tag when in close proximity thereto via the NFC transceiver, determine the geo-position of the mobile wireless communications device using the geo-position determining device, and perform at least one device unlock operation when the tag geo-position is within a threshold distance from the mobile wireless communications device geo-position.

Abstract: A mobile wireless communications device may include a near field communication (NFC) transceiver, a geo-position determining device, and a controller coupled with the NFC transceiver and the geo-position determining device. The controller may be configured to receive a tag geo-position from an NFC tag when in close proximity thereto via the NFC transceiver, determine the geo-position of the mobile wireless communications device using the geo-position determining device, and perform at least one device unlock operation when the tag geo-position is within a threshold distance from the mobile wireless communications device geo-position.

Abstract: Hydraulic jack (1, 1?) comprising a main body (2), an articulated lifting arm (3) and a hydraulic cylinder (4) connected to the main body (2) by a first articulated connection (5) and to the lifting arm (3) by a second articulated connection (6), where the hydraulic jack (1, 1?) comprises a lever member (7, 7?) disposing of at least one locking zone (14) for receiving an element that is solidary to the lifting arm (3) and that serves as a stop, where the lever member (7, 7?) is articulately connected to the first articulated connection (5). The element solidary to the lifting arm (3) that serves as a stop and is capable of lodging in at least one locking zone (14) is comprised in the second articulated connection (6). This way, a mechanical locking system is provided which presents optimal performance while minimizing the number of necessary components.

Abstract: A mobile wireless communications device may include a near field communication (NFC) transceiver and a controller coupled with the NFC transceiver. The controller may be configured to receive tag data from at least one NFC tag when in close proximity thereto via the NFC transceiver, verify the tag data, and when the tag data is successfully verified, perform at least one device unlock operation. The controller may be further configured to determine whether the tag data should be changed based on a predetermined schedule, and if it is determined that the tag data should be changed, communicate with the at least one NFC tag to change the tag data.

Abstract: A method and apparatus for time-based mediation of wireless communications is provided to a user of a wireless communications device. The method involves determining local time information associated with the recipient communication device in response to a user-initiated contact function; determining a mediation condition based at least in part on said local time information; and if the mediation condition satisfies a predetermined criterion: providing, to a user of the wireless communication device, an indication of said mediation condition; presenting, to said user, a menu of two or more options for contacting the recipient communication device using the wireless communication device; and initiating communication in accordance with an option selected from said menu. The method can be implemented on an apparatus such as a wireless communication device.

Abstract: Presented are systems and methods for creating a transcription of a conference call. The system joins an audio conference call with a device associated with a participant, of a plurality of participants joined to the conference through one or more associated devices. The system then creates a speech audio file corresponding to a portion of the participant's speech during the conference and converting contemporaneously, at the device, the speech audio file to a local partial transcript. The system then acquires a plurality of partial transcripts from at least one of the associated devices, so that the device can provide a complete transcript.