# US 11,998,905 B2 · Handle for a pipette, set comprising at least two handles, and pipette > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,998,905 B2 - Document ID: US11998905B2 - Status: Granted - Kind: B2 - Application number: 16/978,993 - Filed: 2018-03-09 - Published: 2020-12-31 - Granted: 2024-06-04 - Earliest claimed: 2018-03-09 - Assignees: IKA-Werke GmbH & Co. KG - Applicants: IKA-Werke Gmbh & Co. KG - Inventors: Philip Döbele - Web page: https://patentgrep.com/patent/US11998905B2 ## CPC - B01L 3/021: {Pipettes, i.e. with only one conduit for withdrawing and redistributing liquids} - B01L 3/0286: {Ergonomic aspects, e.g. form or arrangement of controls} - B01L 2200/14: Process control and prevention of errors - B01L: CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE ## Abstract The invention is concerned with improvements in the technical field of pipettes. For this purpose, a pipette (1) with a base body (2) and a handle (3) is proposed, wherein a thermal insulation (5) is formed or arranged between the handle (3) and the base body (2) of the pipette (1) (see FIG. 1). ## Claims ### Claim 1 A handle (3) for a pipette (1) having a base body (2), wherein the handle (3) has: i. a grip part (4) having a convex outer side (7) defining a a hand contact surface (3a) and a concave inner side (6) which faces the base body (2) of the pipette (1) with the handle (3) mounted to the base body (2), the grip part (4) being elongated to extend along a longitudinal axis between first and second axial ends, the longitudinal axis not intersecting the inner side (6), and ii. a thermal insulation (5) including a first thermally insulating structure (8) defined on the inner side (6) adjacent the first axial end and a second thermally insulating structure (8) defined on the inner side (6) adjacent the second axial end, an air layer being defined: i. between the first thermally insulating structure (8) and the first axial end to extend between the inner side (6) and the base body (2) of the pipette (1) with the handle (3) mounted to the base body (2), and, ii. between the second thermally insulating structure (8) and the second axial end to extend between the inner side (6) and the base body (2) of the pipette (1) with the handle mounted to the base body (3), wherein the thermal insulation (5) thermally insulates the hand contact surface (3a) from the base body (2) with the handle (3) mounted on the base body (2) of the pipette (1). ### Claim 2 (depends on 1) The handle (3) according to claim 1, wherein the first thermally insulating structure (8) protrudes from the inner side (6) of the grip part (4). ### Claim 3 (depends on 2) The handle (3) according to claim 2, wherein the first thermally insulating structure (8) includes at least one spacer (5). ### Claim 4 (depends on 2) The handle (3) according to claim 2, wherein the first thermally insulating structure (8) includes at least one rib (12). ### Claim 5 (depends on 1) The handle (3) according to claim 1, wherein the first thermally insulating structure (8) includes ribbing (13). ### Claim 6 (depends on 5) The handle (3) according to claim 5, wherein the ribbing (13) is formed by a plurality of intersecting ribs (12). ### Claim 7 (depends on 6) The handle (3) according to claim 6, wherein a plurality of chambers (14) are defined by the plurality of intersecting ribs (12), the plurality of chambers (14) being open in facing the base body (2) of the pipette (1), with the handle (3) mounted in the attachment position. ### Claim 8 (depends on 1) The handle (3) according to claim 1, wherein the thermal insulation (5) and the grip part (4) form a materially homogeneous, monolithic unit. ### Claim 9 (depends on 1) The handle (3) according to claim 1, wherein the thermal insulation (5) includes a thermally insulating material layer (9). ### Claim 10 (depends on 9) The handle (3) according to claim 9, wherein the thermally insulating material layer (9) includes one or more of: foam, rubber, and foamed plastic. ### Claim 11 (depends on 1) The handle (3) according to claim 1, wherein the handle (3) further includes a hook, extending from the first axial end, to allow for reversible mounting in the attachment position on the base body (2) of the pipette (1). ### Claim 12 (depends on 1) A combination comprising: a pipette (1) with a base body (2); and a handle (3), formed according to claim 1, which is mountable to the base body (2). ### Claim 13 (depends on 12) The combination according to claim 12, wherein the first thermally insulating structure (8) protrudes from an outer side (7) of the base body (2). ### Claim 14 (depends on 13) The combination according to claim 13, wherein the first thermally insulating element (8) is defined on ribbing. ### Claim 15 (depends on 14) The combination according to claim 14, wherein the ribbing (13) is formed by a plurality of intersecting ribs (12). ### Claim 16 (depends on 15) The combination according to claim 15, wherein a plurality of chambers (14) are defined by the plurality of intersecting ribs (12), the plurality of chambers (14) being open in facing the handle (3), with the handle (3) mounted in the attachment position. ### Claim 17 (depends on 13) The combination according to claim 13, wherein the at least one thermally insulating structure (8) includes at least one spacer (5). ### Claim 18 (depends on 13) The combination according to claim 13, wherein the at least one thermally insulating structure (8) includes at least one rib (12). ### Claim 19 (depends on 12) The combination according to claim 12, wherein the thermal insulation (5) includes a thermally insulating material layer (9). ### Claim 20 (depends on 19) The combination according to claim 19, wherein the thermally insulating material layer (9) includes one or more of: foam, rubber, and foamed plastic.